diff --git a/Gemfile.lock b/Gemfile.lock
index 303d937b..7e358407 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,8 +19,8 @@ GEM
     fakefs (0.10.2)
     hpricot (0.8.6)
     hpricot (0.8.6-java)
-    json (2.1.0)
-    json (2.1.0-java)
+    json (2.3.1)
+    json (2.3.1-java)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)