diff --git a/Gemfile.lock b/Gemfile.lock
index c477f55..2d782a1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -95,7 +95,7 @@ GEM
     parallel (1.20.1)
     parslet (2.0.0)
     public_suffix (4.0.6)
-    rack (2.2.3.1)
+    rack (2.2.6.4)
     rack-livereload (0.3.17)
       rack
     rake (13.0.6)