diff --git a/Gemfile.lock b/Gemfile.lock
index b574c5f..8f0d960 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
       rspec-support (~> 3.13.0)
     rspec-support (3.13.1)
     shellany (0.0.1)
-    thor (1.3.1)
+    thor (1.4.0)
     timecop (0.9.10)
 
 PLATFORMS