diff --git a/test/hosts/bundler/Gemfile.lock b/test/hosts/bundler/Gemfile.lock
index b62ba72..2f9fa63 100644
--- a/test/hosts/bundler/Gemfile.lock
+++ b/test/hosts/bundler/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    rack (1.5.2)
+    rack (2.2.3)
     sinatra (1.0)
       rack (>= 1.0)