diff --git a/Gemfile.lock b/Gemfile.lock
index b5673894..0e388475 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,7 +29,7 @@ GEM
       ast (~> 2.4.1)
     public_suffix (4.0.6)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.8.1)
     rack-protection (2.1.0)
       rack
     rack-test (1.1.0)