diff --git a/Gemfile.lock b/Gemfile.lock
index 577b753c9..1bbbf90e3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -320,7 +320,7 @@ GEM
     nenv (0.3.0)
     net-http (0.6.0)
       uri
-    net-imap (0.6.2)
+    net-imap (0.6.3)
       date
       net-protocol
     net-pop (0.1.2)