diff --git a/Gemfile.lock b/Gemfile.lock
index 8f81cb5..0305f0f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -118,7 +118,7 @@ GEM
     parallel (1.12.1)
     public_suffix (4.0.6)
     racc (1.6.0)
-    rack (2.2.3.1)
+    rack (2.2.6.4)
     rack-livereload (0.3.16)
       rack
     rake (12.3.3)