diff --git a/Gemfile.lock b/Gemfile.lock
index 9ab2601..a65901f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
     rspec-support (3.8.2)
     ruby_dep (1.5.0)
     shellany (0.0.1)
-    thor (0.20.3)
+    thor (1.4.0)
 
 PLATFORMS
   ruby