diff --git a/Gemfile.lock b/Gemfile.lock
index dd741af..555ce83 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
       net-pop
       net-smtp
     mini_mime (1.1.5)
-    net-imap (0.5.14)
+    net-imap (0.5.15)
       date
       net-protocol
     net-pop (0.1.2)