diff --git a/Gemfile.lock b/Gemfile.lock
index 250b0d8..d5c1016 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.6.1)
-    rack (2.2.4)
+    rack (2.2.6.3)
     rack-test (2.0.2)
       rack (>= 1.3)
     rails-dom-testing (2.0.3)