diff --git a/Gemfile.lock b/Gemfile.lock
index 124f7cbfa..7fbb1cba2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -239,7 +239,7 @@ GEM
     msgpack (1.7.1)
     msgpack (1.7.1-java)
     multi_json (1.15.0)
-    net-imap (0.3.6)
+    net-imap (0.3.7)
       date
       net-protocol
     net-pop (0.1.2)