diff --git a/2013-JAX/Gemfile.lock b/2013-JAX/Gemfile.lock
index 2e91c1d..3ebd837 100644
--- a/2013-JAX/Gemfile.lock
+++ b/2013-JAX/Gemfile.lock
@@ -99,7 +99,7 @@ GEM
     uglifier (2.0.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
-    yajl-ruby (1.1.0)
+    yajl-ruby (1.3.1)
     yui-compressor (0.9.6)
       POpen4 (>= 0.1.4)
     zurb-foundation (4.0.9)