diff --git a/Gemfile.lock b/Gemfile.lock
index be17b007..e580127b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -175,7 +175,7 @@ GEM
       ttfunk
     public_suffix (5.0.4)
     racc (1.7.3)
-    rack (2.2.8.1)
+    rack (2.2.9)
     rack-livereload (0.3.17)
       rack
     rainbow (3.1.1)