diff --git a/Gemfile.lock b/Gemfile.lock
index 8876072..6aacbbc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -120,7 +120,7 @@ GEM
       activerecord (>= 5.a)
       database_cleaner-core (~> 2.0.0)
     database_cleaner-core (2.0.1)
-    date (3.3.4)
+    date (3.4.1)
     debug_inspector (1.2.0)
     devise (4.9.3)
       bcrypt (~> 3.0)
@@ -239,7 +239,7 @@ GEM
     nenv (0.3.0)
     net-http (0.4.1)
       uri
-    net-imap (0.4.10)
+    net-imap (0.4.20)
       date
       net-protocol
     net-pop (0.1.2)
@@ -422,7 +422,7 @@ GEM
       mini_portile2 (~> 2.8.0)
     thor (1.3.1)
     tilt (2.3.0)
-    timeout (0.4.1)
+    timeout (0.4.3)
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)