diff --git a/Gemfile.lock b/Gemfile.lock
index 4a54e80..0b054b4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,7 +20,7 @@ GEM
     i18n (0.6.1)
     i18n-active_record (0.0.2)
       i18n (>= 0.5.0)
-    json (1.7.5)
+    json (2.3.1)
     little-plugger (1.1.3)
     logging (1.6.2)
       little-plugger (>= 1.1.3)