diff --git a/Gemfile.lock b/Gemfile.lock
index b41b0e5..64ff6d9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     power_assert (2.0.3)
-    rack (3.0.8)
+    rack (3.0.9.1)
     rack-test (2.1.0)
       rack (>= 1.3)
     rake (13.0.6)
@@ -17,6 +17,7 @@ GEM
 
 PLATFORMS
   arm64-darwin-22
+  x86_64-linux
 
 DEPENDENCIES
   rack-proxy!