diff --git a/Gemfile.lock b/Gemfile.lock
index 9797119..e721e45 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,7 @@ GEM
     hashdiff (0.3.7)
     i18n (1.1.0)
       concurrent-ruby (~> 1.0)
-    json (2.1.0)
+    json (2.5.1)
     json_api_client (1.6.0)
       activemodel (>= 3.2.0)
       activesupport (>= 3.2.0)