diff --git a/Gemfile.lock b/Gemfile.lock
index 08d297f6aed..bc0899248e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -27,9 +27,9 @@ GIT
 
 GIT
   remote: git://github.com/rails-api/active_model_serializers.git
-  revision: 9fef47db4dd492e39909c0a7bc43becfea13d57b
+  revision: 0114e492388ff84defcd1afbbb315e547849cb96
   specs:
-    active_model_serializers (0.7.0)
+    active_model_serializers (0.5.2)
       activemodel (>= 3.0)
 
 GIT
@@ -216,7 +216,7 @@ GEM
     hike (1.2.1)
     hiredis (0.4.5)
     httpauth (0.2.0)
-    i18n (0.6.4)
+    i18n (0.6.1)
     image_optim (0.7.2)
       fspath (~> 2.0.3)
       image_size (~> 1.1)
@@ -260,7 +260,7 @@ GEM
     mixlib-shellout (1.1.0)
     mocha (0.10.5)
       metaclass (~> 0.0.1)
-    multi_json (1.7.0)
+    multi_json (1.6.1)
     multipart-post (1.1.5)
     mustache (0.99.4)
     net-scp (1.0.4)