diff --git a/Gemfile.lock b/Gemfile.lock
index d709e9a..c44f4a1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -194,7 +194,7 @@ GEM
     parslet (2.0.0)
     public_suffix (6.0.2)
     racc (1.8.1)
-    rack (2.2.17)
+    rack (2.2.18)
     rack-livereload (0.3.17)
       rack
     rake (13.3.0)