diff --git a/Gemfile.lock b/Gemfile.lock
index 7ea4abfa44bb..a8b0624a14d7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -358,7 +358,7 @@ GEM
       time
     net-http (0.4.1)
       uri
-    net-imap (0.4.15)
+    net-imap (0.4.16)
       date
       net-protocol
     net-ldap (0.19.0)