diff --git a/Gemfile.lock b/Gemfile.lock
index ba2ba83..0d82138 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -143,7 +143,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     racc (1.8.1)
-    rack (2.2.10)
+    rack (2.2.20)
     rack-protection (2.0.8.1)
       rack
     rack-test (2.2.0)