diff --git a/Gemfile.lock b/Gemfile.lock
index 7d66d8a..a4c21f7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -23,7 +23,7 @@ GEM
       thor
     diff-lcs (1.1.3)
     i18n (0.6.9)
-    json (1.7.7)
+    json (2.3.1)
     mime-types (1.21)
     multi_json (1.1.0)
     rake (0.9.2.2)