diff --git a/Gemfile.lock b/Gemfile.lock
index 0628002..75f7f3f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -167,8 +167,8 @@ GEM
     rainbow (2.0.0)
     rake (10.4.2)
     remotipart (1.2.1)
-    responders (2.0.2)
-      railties (>= 4.2.0.alpha, < 5)
+    responders (2.1.0)
+      railties (>= 4.2.0, < 5)
     rest-client (1.7.2)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)