diff --git a/Gemfile.lock b/Gemfile.lock
index 07aa9df..01d801d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -166,7 +166,7 @@ GEM
       ruby2_keywords (>= 0.0.5)
     msgpack (1.7.2)
     mutex_m (0.1.2)
-    net-imap (0.4.3)
+    net-imap (0.4.4)
       date
       net-protocol
     net-pop (0.1.2)
@@ -200,7 +200,7 @@ GEM
     public_suffix (5.0.3)
     puma (6.4.0)
       nio4r (~> 2.0)
-    racc (1.7.2)
+    racc (1.7.3)
     rack (3.0.8)
     rack-attack (6.7.0)
       rack (>= 1.0, < 4)
@@ -249,7 +249,7 @@ GEM
       thor (~> 1.0, >= 1.2.2)
       zeitwerk (~> 2.6)
     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)
@@ -275,7 +275,7 @@ GEM
     shoulda-context (2.0.0)
     shoulda-matchers (5.3.0)
       activesupport (>= 5.2.0)
-    sidekiq (7.1.6)
+    sidekiq (7.2.0)
       concurrent-ruby (< 2)
       connection_pool (>= 2.3.0)
       rack (>= 2.2.4)