diff --git a/Gemfile.lock b/Gemfile.lock
index d0839a5..7f43643 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -93,7 +93,7 @@ GEM
     concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     crass (1.0.6)
-    date (3.4.1)
+    date (3.5.1)
     debug_inspector (1.2.0)
     drb (2.2.1)
     erubi (1.13.0)
@@ -131,7 +131,7 @@ GEM
     mini_portile2 (2.8.9)
     minitest (5.25.1)
     mutex_m (0.2.0)
-    net-imap (0.4.20)
+    net-imap (0.4.24)
       date
       net-protocol
     net-pop (0.1.2)
@@ -249,7 +249,7 @@ GEM
     stringio (3.1.0)
     thor (1.3.1)
     tilt (2.3.0)
-    timeout (0.4.3)
+    timeout (0.6.1)
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)