diff --git a/Gemfile.lock b/Gemfile.lock
index 9973fd4..4a33dfe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,7 +40,7 @@ GEM
     netrc (0.11.0)
     pg (1.1.4)
     public_suffix (4.0.6)
-    rack (2.2.3.1)
+    rack (2.2.6.4)
     rack-protection (2.2.0)
       rack
     rack-test (0.8.3)