diff --git a/Gemfile.lock b/Gemfile.lock
index fce0f277..a9f4b924 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
       rspec (>= 2.99.0, < 4.0)
     hitimes (1.2.2)
     jsmin (1.0.1)
-    json (1.8.1)
+    json (2.3.0)
     json_expressions (0.8.3)
     less (2.6.0)
       commonjs (~> 0.2.7)