diff --git a/Gemfile.lock b/Gemfile.lock
index 88fd08e..3fd5a5c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -79,7 +79,7 @@ GEM
     os (1.0.0)
     public_suffix (3.0.3)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails-dom-testing (2.0.3)