diff --git a/Gemfile.lock b/Gemfile.lock
index 9a254e0..14c6a8f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -156,8 +156,7 @@ GEM
     lumberjack (1.0.10)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
-    mailcatcher (0.6.4)
-      activesupport (~> 4.0)
+    mailcatcher (0.6.5)
       eventmachine (= 1.0.9.1)
       mail (~> 2.3)
       rack (~> 1.5)