diff --git a/Gemfile.lock b/Gemfile.lock
index 3778b1e4e..3f6ffefcd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.4)
-    thor (1.3.2)
+    thor (1.4.0)
 
 PLATFORMS
   universal-java-11