diff --git a/Gemfile.lock b/Gemfile.lock
index ca40d918..8ca68194 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -172,7 +172,7 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (2.2.0)
+    json (2.5.1)
     jwt (0.1.11)
       multi_json (>= 1.5)
     kaminari (1.1.1)