diff --git a/Gemfile.lock b/Gemfile.lock
index 9a53d53..7f758b4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,7 +87,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.8.1)
-    rack (2.2.20)
+    rack (2.2.22)
     rack-test (2.1.0)
       rack (>= 1.3)
     rails-dom-testing (2.2.0)