diff --git a/Gemfile.lock b/Gemfile.lock
index 16adf02..f51d387 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -211,7 +211,7 @@ GEM
     mysql2 (0.5.6)
     net-http (0.4.1)
       uri
-    net-imap (0.6.4)
+    net-imap (0.6.4.1)
       date
       net-protocol
     net-pop (0.1.2)