diff --git a/Gemfile.lock b/Gemfile.lock
index e3b0096..f45fb8d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -34,7 +34,7 @@ GEM
       byebug (~> 11.0)
       pry (>= 0.13, < 0.15)
     racc (1.7.1)
-    rack (3.0.8)
+    rack (3.0.9.1)
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.8.1)