diff --git a/Gemfile.lock b/Gemfile.lock
index 379155b..8deebdf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
     rb-readline (0.4.2)
     sass (3.2.3)
     slop (3.3.3)
-    thor (0.16.0)
+    thor (1.4.0)
 
 PLATFORMS
   ruby