diff --git a/Gemfile.lock b/Gemfile.lock
index ec61275..167ae08 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,7 +43,7 @@ GEM
     posix-spawn (0.3.8)
     pygments.rb (0.5.4)
       posix-spawn (~> 0.3.6)
-      yajl-ruby (~> 1.1.0)
+      yajl-ruby (~> 1.3.1)
     rb-fsevent (0.9.4)
     rb-inotify (0.9.3)
       ffi (>= 0.5.0)