diff --git a/Gemfile.lock b/Gemfile.lock
index 55503253..ded56d45 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -125,7 +125,7 @@ GEM
       ast (~> 2.4.1)
     public_suffix (4.0.6)
     racc (1.7.1)
-    rack (2.2.6.3)
+    rack (2.2.8)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails-dom-testing (2.0.3)