diff --git a/Gemfile.lock b/Gemfile.lock
index 3b0b5c6361..844101f4f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -394,7 +394,7 @@ GEM
     nenv (0.3.0)
     net-http (0.6.0)
       uri
-    net-imap (0.5.14)
+    net-imap (0.5.15)
       date
       net-protocol
     net-pop (0.1.2)