diff --git a/Gemfile.lock b/Gemfile.lock
index 2393b1a..75a0e94 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,7 +41,7 @@ GEM
       rspec-support (~> 3.9.0)
     rspec-support (3.9.3)
     shared-mime-info (0.2.5)
-    thor (1.0.1)
+    thor (1.4.0)
 
 PLATFORMS
   ruby