diff --git a/Gemfile.lock b/Gemfile.lock
index c80ff45..8be9c27 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,7 +12,7 @@ GEM
     diff-lcs (1.1.2)
     gherkin (2.4.5)
       json (>= 1.4.6)
-    json (1.5.3)
+    json (2.2.0)
     object_regex (1.0.1)
     polyglot (0.3.1)
     rake (0.9.2)