diff --git a/Gemfile.lock b/Gemfile.lock
index 92469133..1a3f91cf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -177,7 +177,7 @@ GEM
       ttfunk
     public_suffix (5.0.1)
     racc (1.7.0)
-    rack (2.2.7)
+    rack (2.2.9)
     rack-livereload (0.3.17)
       rack
     rainbow (3.1.1)