diff --git a/Gemfile.lock b/Gemfile.lock
index 00207820..1c1d6770 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,8 +31,8 @@ GEM
       git (>= 1.2.5)
       rake
       rdoc
-    json (1.7.3)
-    json (1.7.3-java)
+    json (1.8.6)
+    json (1.8.6-java)
     kramdown (1.3.1)
     method_source (0.8)
     multi_json (1.7.7)