diff --git a/Gemfile.lock b/Gemfile.lock
index e1c8a5e..b8cf380 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
     simplecov-html (0.10.2)
     term-ansicolor (1.7.1)
       tins (~> 1.0)
-    thor (0.20.3)
+    thor (1.4.0)
     tins (1.20.3)
 
 PLATFORMS