diff --git a/Gemfile.lock b/Gemfile.lock
index 64ac5ef..560b358 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
     coffee-script (2.4.1)
       coffee-script-source
       execjs
-    coffee-script-source (1.11.1)
+    coffee-script-source (1.12.2)
     concurrent-ruby (1.0.2)
     contracts (0.14.0)
     crack (0.3.1)