diff --git a/Gemfile.lock b/Gemfile.lock
index e9fb31727b..d0eb21802b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -282,7 +282,7 @@ GEM
     multipart-post (2.3.0)
     net-http-persistent (4.0.1)
       connection_pool (~> 2.2)
-    net-imap (0.4.0)
+    net-imap (0.4.1)
       date
       net-protocol
     net-pop (0.1.2)