From c9879eb75f63caebf37c6d6d0103714147857264 Mon Sep 17 00:00:00 2001
From: Hercules Merscher <hlmerscher@gmail.com>
Date: Tue, 20 Dec 2022 17:02:42 +0100
Subject: [PATCH] rack must be under v3 for rack example to work

---
 examples/rack/Gemfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/rack/Gemfile b/examples/rack/Gemfile
index 413fe5ea..350a5d34 100644
--- a/examples/rack/Gemfile
+++ b/examples/rack/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
 
 gem 'prometheus-client', path: '../..'
-gem 'rack'
+gem 'rack', '< 3.0'
 gem 'unicorn'