diff --git a/Gemfile.lock b/Gemfile.lock
index 00b7a21..387d43d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -160,7 +160,7 @@ GEM
     minitest (5.25.4)
     msgpack (1.8.0)
     multipart-post (2.4.1)
-    net-imap (0.5.6)
+    net-imap (0.5.7)
       date
       net-protocol
     net-pop (0.1.2)
@@ -419,7 +419,7 @@ CHECKSUMS
   minitest (5.25.4) sha256=9cf2cae25ac4dfc90c988ebc3b917f53c054978b673273da1bd20bcb0778f947
   msgpack (1.8.0) sha256=e64ce0212000d016809f5048b48eb3a65ffb169db22238fb4b72472fecb2d732
   multipart-post (2.4.1) sha256=9872d03a8e552020ca096adadbf5e3cb1cd1cdd6acd3c161136b8a5737cdb4a8
-  net-imap (0.5.6) sha256=1ede8048ee688a14206060bf37a716d18cb6ea00855f6c9b15daee97ee51fbe5
+  net-imap (0.5.7) sha256=d5c0247832439b62298c0935ba67d8bc02fdb476d7a3e099d6f75b3daf498b91
   net-pop (0.1.2) sha256=848b4e982013c15b2f0382792268763b748cce91c9e91e36b0f27ed26420dff3
   net-protocol (0.2.2) sha256=aa73e0cba6a125369de9837b8d8ef82a61849360eba0521900e2c3713aa162a8
   net-smtp (0.5.1) sha256=ed96a0af63c524fceb4b29b0d352195c30d82dd916a42f03c62a3a70e5b70736