diff --git a/test/acceptance/workspaces/mono-repo-project/bundler-app/Gemfile b/test/acceptance/workspaces/mono-repo-project/bundler-app/Gemfile
index 8827060912..a0d3d9a813 100644
--- a/test/acceptance/workspaces/mono-repo-project/bundler-app/Gemfile
+++ b/test/acceptance/workspaces/mono-repo-project/bundler-app/Gemfile
@@ -1,5 +1,5 @@
 source "https://rubygems.org"
 
 gem "rack-cache", "~> 1.1.0"
-gem "rack", "~> 1.6.2"
-gem "rack-protection", "~> 1.5.0"
+gem "rack", "~> 2.1.4"
+gem "rack-protection", "~> 1.5.3"
diff --git a/test/acceptance/workspaces/mono-repo-project/bundler-app/Gemfile.lock b/test/acceptance/workspaces/mono-repo-project/bundler-app/Gemfile.lock
index f8cd4503f8..c57ee18fcf 100644
--- a/test/acceptance/workspaces/mono-repo-project/bundler-app/Gemfile.lock
+++ b/test/acceptance/workspaces/mono-repo-project/bundler-app/Gemfile.lock
@@ -1,19 +1,19 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    rack (1.6.5)
+    rack (2.1.4)
     rack-cache (1.1)
       rack (>= 0.4)
-    rack-protection (1.5.3)
+    rack-protection (1.5.5)
       rack
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  rack (~> 1.6.2)
+  rack (~> 2.1.4)
   rack-cache (~> 1.1.0)
-  rack-protection (~> 1.5.0)
+  rack-protection (~> 1.5.3)
 
 BUNDLED WITH
-   1.14.3
+   1.17.3