diff --git a/Gemfile.lock b/Gemfile.lock
index 7b1748c..d89e239 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     parallel (1.22.1)
     parslet (2.0.0)
     public_suffix (5.0.1)
-    rack (2.2.6.3)
+    rack (2.2.6.4)
     rack-livereload (0.3.17)
       rack
     rake (13.0.6)