diff --git a/Gemfile.lock b/Gemfile.lock
index a661dd6..fa6c0c6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,7 +54,7 @@ GEM
     parser (3.0.0.0)
       ast (~> 2.4.1)
     public_suffix (4.0.6)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rainbow (3.0.0)
     rake (13.0.1)
     regexp_parser (2.0.3)