diff --git a/Gemfile.lock b/Gemfile.lock
index c2ead15..0d4918c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
       racc (~> 1.4)
     path_expander (1.1.1)
     racc (1.6.1)
-    rack (2.2.4)
+    rack (2.2.6.4)
     rack-test (2.0.2)
       rack (>= 1.3)
     rails-dom-testing (2.0.3)