From c6114e853cbcb050cb1f13613ebe223cb47b339f Mon Sep 17 00:00:00 2001
From: Douglas Eichelberger <doug.eichelberger@gusto.com>
Date: Wed, 1 Jul 2026 12:50:40 -0700
Subject: [PATCH] ci: test against Ruby 4.0

Add Ruby 4.0 to the CI build matrix, run the fixed-version type-check
job on Ruby 4.0, and quote all version numbers for consistency.
---
 .github/workflows/ci.yml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b52bd19..3397e58 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,8 +12,9 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - 3.3
-          - 3.4
+          - '3.3'
+          - '3.4'
+          - '4.0'
     env:
       BUNDLE_GEMFILE: Gemfile
     name: "RSpec tests: Ruby ${{ matrix.ruby }}"
@@ -35,6 +36,6 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true
-          ruby-version: 3.3
+          ruby-version: '4.0'
       - name: Run static type checks
         run: bundle exec srb tc