diff --git a/Gemfile.lock b/Gemfile.lock
index 9c23ce9e14..725b21b774 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -553,7 +553,7 @@ GEM
     net-http (0.6.0)
       uri
     net-http-persistent (2.9.4)
-    net-imap (0.5.6)
+    net-imap (0.5.7)
       date
       net-protocol
     net-pop (0.1.2)