diff --git a/Ruby/Gemfile b/Ruby/Gemfile
index 137422f..2180f45 100644
--- a/Ruby/Gemfile
+++ b/Ruby/Gemfile
@@ -1,5 +1,5 @@
 source "https://rubygems.org"
 
-gem "httparty", "~> 0.18.1"
+gem "httparty", "~> 0.21.0"
 gem "base64", "~> 0.1.0"
 gem "cgi", "~> 0.2.1"
diff --git a/Ruby/Gemfile.lock b/Ruby/Gemfile.lock
index 4a6d735..1ab68ec 100644
--- a/Ruby/Gemfile.lock
+++ b/Ruby/Gemfile.lock
@@ -3,12 +3,10 @@ GEM
   specs:
     base64 (0.1.0)
     cgi (0.2.1)
-    httparty (0.18.1)
-      mime-types (~> 3.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
-    mime-types (3.3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2021.0225)
+    mini_mime (1.1.2)
     multi_xml (0.6.0)
 
 PLATFORMS
@@ -18,7 +16,7 @@ PLATFORMS
 DEPENDENCIES
   base64 (~> 0.1.0)
   cgi (~> 0.2.1)
-  httparty (~> 0.18.1)
+  httparty (~> 0.21.0)
 
 BUNDLED WITH
    2.2.15