diff --git a/Gemfile.lock b/Gemfile.lock
index 2a4c67de..a433760b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/rails/rails.git
-  revision: b897b4c16422e59d4e03710ded0a60c564963faf
+  revision: 8d778e0708196bdac2ce0d18e24600735469f1a3
   specs:
     actioncable (7.2.0.alpha)
       actionpack (= 7.2.0.alpha)
@@ -267,7 +267,7 @@ GEM
     msgpack (1.7.2)
     net-http-persistent (4.0.2)
       connection_pool (~> 2.2)
-    net-imap (0.4.3)
+    net-imap (0.4.4)
       date
       net-protocol
     net-pop (0.1.2)
@@ -306,7 +306,7 @@ GEM
     puma (6.4.0)
       nio4r (~> 2.0)
     raabro (1.4.0)
-    racc (1.7.1)
+    racc (1.7.3)
     rack (3.0.8)
     rack-cors (2.0.1)
       rack (>= 2.0.0)
@@ -328,7 +328,7 @@ GEM
       nokogiri (~> 1.14)
     rainbow (3.1.1)
     rake (13.1.0)
-    rdoc (6.5.0)
+    rdoc (6.6.0)
       psych (>= 4.0.0)
     redis (5.0.8)
       redis-client (>= 0.17.0)