diff --git a/examples/Gemfile.lock b/examples/Gemfile.lock
index 7380bd4..77b38c6 100644
--- a/examples/Gemfile.lock
+++ b/examples/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
       listen (~> 1.1.0)
       sass (~> 3.3.0.rc.1)
     ffi (1.9.3)
-    json (1.8.1)
+    json (2.6.1)
     listen (1.1.6)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)