diff --git a/Gemfile.lock b/Gemfile.lock
index a75da19..3192337 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,7 +78,7 @@ GEM
       stringio
     public_suffix (5.0.1)
     racc (1.6.2)
-    rack (3.0.6.1)
+    rack (3.0.9.1)
     rainbow (3.1.1)
     rake (13.0.6)
     rchardet (1.8.0)