diff --git a/Gemfile.lock b/Gemfile.lock
index e0c20f39e..63d02728e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -180,7 +180,7 @@ GEM
       method_source (~> 1.0)
     public_suffix (6.0.1)
     racc (1.8.1)
-    rack (2.2.13)
+    rack (2.2.20)
     rack-livereload (0.3.17)
       rack
     rainbow (3.1.1)