diff --git a/hubspot/automation/actions/rest.py b/hubspot/automation/actions/rest.py
index b18deac6..8e580302 100644
--- a/hubspot/automation/actions/rest.py
+++ b/hubspot/automation/actions/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/cms/audit_logs/rest.py b/hubspot/cms/audit_logs/rest.py
index 1c2464e3..5100b943 100644
--- a/hubspot/cms/audit_logs/rest.py
+++ b/hubspot/cms/audit_logs/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/cms/blogs/authors/rest.py b/hubspot/cms/blogs/authors/rest.py
index bbe65196..e4dc9a0d 100644
--- a/hubspot/cms/blogs/authors/rest.py
+++ b/hubspot/cms/blogs/authors/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/cms/blogs/blog_posts/rest.py b/hubspot/cms/blogs/blog_posts/rest.py
index 8ed79726..e83923b6 100644
--- a/hubspot/cms/blogs/blog_posts/rest.py
+++ b/hubspot/cms/blogs/blog_posts/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/cms/blogs/tags/rest.py b/hubspot/cms/blogs/tags/rest.py
index 2707da1d..43c8e8fa 100644
--- a/hubspot/cms/blogs/tags/rest.py
+++ b/hubspot/cms/blogs/tags/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/cms/domains/rest.py b/hubspot/cms/domains/rest.py
index 9c2cd43f..95529c66 100644
--- a/hubspot/cms/domains/rest.py
+++ b/hubspot/cms/domains/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/cms/hubdb/rest.py b/hubspot/cms/hubdb/rest.py
index 57e240ae..85a7ccc5 100644
--- a/hubspot/cms/hubdb/rest.py
+++ b/hubspot/cms/hubdb/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/cms/pages/rest.py b/hubspot/cms/pages/rest.py
index a7a2dcc6..4e87fe18 100644
--- a/hubspot/cms/pages/rest.py
+++ b/hubspot/cms/pages/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/cms/site_search/rest.py b/hubspot/cms/site_search/rest.py
index 06445de3..ae66493c 100644
--- a/hubspot/cms/site_search/rest.py
+++ b/hubspot/cms/site_search/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/cms/source_code/rest.py b/hubspot/cms/source_code/rest.py
index 7abaf56d..f90b5569 100644
--- a/hubspot/cms/source_code/rest.py
+++ b/hubspot/cms/source_code/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/cms/url_redirects/rest.py b/hubspot/cms/url_redirects/rest.py
index 55813ab6..9bccc1d7 100644
--- a/hubspot/cms/url_redirects/rest.py
+++ b/hubspot/cms/url_redirects/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/communication_preferences/rest.py b/hubspot/communication_preferences/rest.py
index c61c3795..97263a9e 100644
--- a/hubspot/communication_preferences/rest.py
+++ b/hubspot/communication_preferences/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/conversations/visitor_identification/rest.py b/hubspot/conversations/visitor_identification/rest.py
index 11628106..4d3c5281 100644
--- a/hubspot/conversations/visitor_identification/rest.py
+++ b/hubspot/conversations/visitor_identification/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/associations/rest.py b/hubspot/crm/associations/rest.py
index 0c8dca39..c7bf1f10 100644
--- a/hubspot/crm/associations/rest.py
+++ b/hubspot/crm/associations/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/associations/schema/rest.py b/hubspot/crm/associations/schema/rest.py
index 2e16fa01..20d6ad27 100644
--- a/hubspot/crm/associations/schema/rest.py
+++ b/hubspot/crm/associations/schema/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/associations/v4/rest.py b/hubspot/crm/associations/v4/rest.py
index 3e09fa06..55b5cee2 100644
--- a/hubspot/crm/associations/v4/rest.py
+++ b/hubspot/crm/associations/v4/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/associations/v4/schema/rest.py b/hubspot/crm/associations/v4/schema/rest.py
index d091f61f..a95badf2 100644
--- a/hubspot/crm/associations/v4/schema/rest.py
+++ b/hubspot/crm/associations/v4/schema/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/commerce/invoices/rest.py b/hubspot/crm/commerce/invoices/rest.py
index 15aece59..018508ae 100644
--- a/hubspot/crm/commerce/invoices/rest.py
+++ b/hubspot/crm/commerce/invoices/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/companies/rest.py b/hubspot/crm/companies/rest.py
index 282ffe23..36bbd6cb 100644
--- a/hubspot/crm/companies/rest.py
+++ b/hubspot/crm/companies/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/contacts/rest.py b/hubspot/crm/contacts/rest.py
index 7d9fefe1..9601dcd0 100644
--- a/hubspot/crm/contacts/rest.py
+++ b/hubspot/crm/contacts/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/deals/rest.py b/hubspot/crm/deals/rest.py
index 16729340..d37e61b5 100644
--- a/hubspot/crm/deals/rest.py
+++ b/hubspot/crm/deals/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/exports/rest.py b/hubspot/crm/exports/rest.py
index 07993cb0..52383677 100644
--- a/hubspot/crm/exports/rest.py
+++ b/hubspot/crm/exports/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/extensions/calling/rest.py b/hubspot/crm/extensions/calling/rest.py
index 0d835dd7..8bf45b91 100644
--- a/hubspot/crm/extensions/calling/rest.py
+++ b/hubspot/crm/extensions/calling/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/extensions/cards/rest.py b/hubspot/crm/extensions/cards/rest.py
index 19e09ea1..98a4f1f0 100644
--- a/hubspot/crm/extensions/cards/rest.py
+++ b/hubspot/crm/extensions/cards/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/extensions/videoconferencing/rest.py b/hubspot/crm/extensions/videoconferencing/rest.py
index 059dab33..4b0efc64 100644
--- a/hubspot/crm/extensions/videoconferencing/rest.py
+++ b/hubspot/crm/extensions/videoconferencing/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/imports/rest.py b/hubspot/crm/imports/rest.py
index c9df7111..9b0aa7fc 100644
--- a/hubspot/crm/imports/rest.py
+++ b/hubspot/crm/imports/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/line_items/rest.py b/hubspot/crm/line_items/rest.py
index 37b07080..965b24c3 100644
--- a/hubspot/crm/line_items/rest.py
+++ b/hubspot/crm/line_items/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/lists/rest.py b/hubspot/crm/lists/rest.py
index 135b3da4..015219d7 100644
--- a/hubspot/crm/lists/rest.py
+++ b/hubspot/crm/lists/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/calls/rest.py b/hubspot/crm/objects/calls/rest.py
index b10ad652..ed32d7c9 100644
--- a/hubspot/crm/objects/calls/rest.py
+++ b/hubspot/crm/objects/calls/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/communications/rest.py b/hubspot/crm/objects/communications/rest.py
index 45c2ac43..6e857a95 100644
--- a/hubspot/crm/objects/communications/rest.py
+++ b/hubspot/crm/objects/communications/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/deal_splits/rest.py b/hubspot/crm/objects/deal_splits/rest.py
index 57f83d10..33c6cb06 100644
--- a/hubspot/crm/objects/deal_splits/rest.py
+++ b/hubspot/crm/objects/deal_splits/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/emails/rest.py b/hubspot/crm/objects/emails/rest.py
index 0a1aada3..7ee21d09 100644
--- a/hubspot/crm/objects/emails/rest.py
+++ b/hubspot/crm/objects/emails/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/feedback_submissions/rest.py b/hubspot/crm/objects/feedback_submissions/rest.py
index 76807ed7..038017aa 100644
--- a/hubspot/crm/objects/feedback_submissions/rest.py
+++ b/hubspot/crm/objects/feedback_submissions/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/goals/rest.py b/hubspot/crm/objects/goals/rest.py
index a882964d..8a1eab7d 100644
--- a/hubspot/crm/objects/goals/rest.py
+++ b/hubspot/crm/objects/goals/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/leads/rest.py b/hubspot/crm/objects/leads/rest.py
index b438ccef..16f97736 100644
--- a/hubspot/crm/objects/leads/rest.py
+++ b/hubspot/crm/objects/leads/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/meetings/rest.py b/hubspot/crm/objects/meetings/rest.py
index 0a2042a3..4d823442 100644
--- a/hubspot/crm/objects/meetings/rest.py
+++ b/hubspot/crm/objects/meetings/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/notes/rest.py b/hubspot/crm/objects/notes/rest.py
index 973e825c..eb0b2791 100644
--- a/hubspot/crm/objects/notes/rest.py
+++ b/hubspot/crm/objects/notes/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/postal_mail/rest.py b/hubspot/crm/objects/postal_mail/rest.py
index cd5017eb..22202e05 100644
--- a/hubspot/crm/objects/postal_mail/rest.py
+++ b/hubspot/crm/objects/postal_mail/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/rest.py b/hubspot/crm/objects/rest.py
index eb9457df..fd32182a 100644
--- a/hubspot/crm/objects/rest.py
+++ b/hubspot/crm/objects/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/tasks/rest.py b/hubspot/crm/objects/tasks/rest.py
index fade409e..d0adb32c 100644
--- a/hubspot/crm/objects/tasks/rest.py
+++ b/hubspot/crm/objects/tasks/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/objects/taxes/rest.py b/hubspot/crm/objects/taxes/rest.py
index b6afee94..7c58f5ee 100644
--- a/hubspot/crm/objects/taxes/rest.py
+++ b/hubspot/crm/objects/taxes/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/owners/rest.py b/hubspot/crm/owners/rest.py
index 80226f33..b50a3f61 100644
--- a/hubspot/crm/owners/rest.py
+++ b/hubspot/crm/owners/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/pipelines/rest.py b/hubspot/crm/pipelines/rest.py
index ca76cb4b..5158df0a 100644
--- a/hubspot/crm/pipelines/rest.py
+++ b/hubspot/crm/pipelines/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/products/rest.py b/hubspot/crm/products/rest.py
index 02713d46..9f5b62b3 100644
--- a/hubspot/crm/products/rest.py
+++ b/hubspot/crm/products/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/properties/rest.py b/hubspot/crm/properties/rest.py
index ab224244..773a91c6 100644
--- a/hubspot/crm/properties/rest.py
+++ b/hubspot/crm/properties/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/quotes/rest.py b/hubspot/crm/quotes/rest.py
index 26f33a3c..cdd752ab 100644
--- a/hubspot/crm/quotes/rest.py
+++ b/hubspot/crm/quotes/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/schemas/rest.py b/hubspot/crm/schemas/rest.py
index d958b57e..ab1839f3 100644
--- a/hubspot/crm/schemas/rest.py
+++ b/hubspot/crm/schemas/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/tickets/rest.py b/hubspot/crm/tickets/rest.py
index 8a58ac75..e28600ac 100644
--- a/hubspot/crm/tickets/rest.py
+++ b/hubspot/crm/tickets/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/crm/timeline/rest.py b/hubspot/crm/timeline/rest.py
index f809d191..b49d9d5c 100644
--- a/hubspot/crm/timeline/rest.py
+++ b/hubspot/crm/timeline/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/events/rest.py b/hubspot/events/rest.py
index 2a8b1953..4721a0b3 100644
--- a/hubspot/events/rest.py
+++ b/hubspot/events/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/events/send/rest.py b/hubspot/events/send/rest.py
index 5c725ba8..e5382338 100644
--- a/hubspot/events/send/rest.py
+++ b/hubspot/events/send/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/files/rest.py b/hubspot/files/rest.py
index f15bfddd..c854666a 100644
--- a/hubspot/files/rest.py
+++ b/hubspot/files/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/marketing/emails/rest.py b/hubspot/marketing/emails/rest.py
index 555f05fb..c76b472b 100644
--- a/hubspot/marketing/emails/rest.py
+++ b/hubspot/marketing/emails/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/marketing/events/rest.py b/hubspot/marketing/events/rest.py
index 779ddb81..a263a89a 100644
--- a/hubspot/marketing/events/rest.py
+++ b/hubspot/marketing/events/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/marketing/forms/rest.py b/hubspot/marketing/forms/rest.py
index 4933348a..cd1b929e 100644
--- a/hubspot/marketing/forms/rest.py
+++ b/hubspot/marketing/forms/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/marketing/transactional/rest.py b/hubspot/marketing/transactional/rest.py
index 9c379464..dc4d5a79 100644
--- a/hubspot/marketing/transactional/rest.py
+++ b/hubspot/marketing/transactional/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/oauth/rest.py b/hubspot/oauth/rest.py
index 1dc47433..90e818f0 100644
--- a/hubspot/oauth/rest.py
+++ b/hubspot/oauth/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/settings/business_units/rest.py b/hubspot/settings/business_units/rest.py
index 070c9461..862d4e89 100644
--- a/hubspot/settings/business_units/rest.py
+++ b/hubspot/settings/business_units/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/settings/users/rest.py b/hubspot/settings/users/rest.py
index 30ba89b5..b2361a94 100644
--- a/hubspot/settings/users/rest.py
+++ b/hubspot/settings/users/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):
diff --git a/hubspot/webhooks/rest.py b/hubspot/webhooks/rest.py
index 0b31ae78..a9271ad6 100644
--- a/hubspot/webhooks/rest.py
+++ b/hubspot/webhooks/rest.py
@@ -38,11 +38,11 @@ def __init__(self, resp):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):