diff --git a/Gemfile.lock b/Gemfile.lock
index bed29f2f..ff98bf3b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -282,7 +282,7 @@ GEM
     mysql2 (0.5.6)
     net-http (0.4.1)
       uri
-    net-imap (0.5.5)
+    net-imap (0.5.6)
       date
       net-protocol
     net-pop (0.1.2)