diff --git a/Gemfile.lock b/Gemfile.lock
index 9e96e527..a4551eb7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -150,7 +150,7 @@ GEM
       polyglot (~> 0.3)
     uuidtools (2.1.5)
     wmi-lite (1.0.0)
-    yajl-ruby (1.2.1)
+    yajl-ruby (1.4.2)
 
 PLATFORMS
   ruby