diff --git a/Gemfile.lock b/Gemfile.lock
index 80d4c17a..6eb2ea5a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -258,7 +258,7 @@ GEM
     nested_form (0.3.2)
     net-http-persistent (4.0.2)
       connection_pool (~> 2.2)
-    net-imap (0.4.8)
+    net-imap (0.4.9)
       date
       net-protocol
     net-pop (0.1.2)