diff --git a/backbonejs-examples/ex1/Gemfile.lock b/backbonejs-examples/ex1/Gemfile.lock
index 47cd03f..3b4b4e2 100644
--- a/backbonejs-examples/ex1/Gemfile.lock
+++ b/backbonejs-examples/ex1/Gemfile.lock
@@ -20,7 +20,7 @@ GEM
       rack-protection (~> 1.2)
       tilt (~> 1.3, >= 1.3.3)
     tilt (1.3.3)
-    yajl-ruby (1.1.0)
+    yajl-ruby (1.4.3)
 
 PLATFORMS
   ruby