diff --git a/Gemfile.lock b/Gemfile.lock
index c80a266..ca76a81 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -71,7 +71,7 @@ GEM
     rspec-support (3.8.0)
     ruby_dep (1.5.0)
     shellany (0.0.1)
-    thor (0.20.3)
+    thor (1.4.0)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.5)