From ae4e2fb8a1ad5196edd105a2f6cb4ce75c4612f4 Mon Sep 17 00:00:00 2001
From: puppe1990 <matheus.puppe90@hotmail.com>
Date: Thu, 1 Oct 2026 14:24:50 -0300
Subject: [PATCH 1/2] ci: test Elixir 1.17/OTP 27 and 1.19/OTP 28 (#26)

Matrix the quality job on the documented minimum and the current
Cleat toolchain. Cancel in-progress runs on the same ref.
---
 .github/workflows/ci.yml | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b33965b..2082ca3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,17 +5,30 @@ on:
     branches: [main]
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   test:
+    name: Elixir ${{ matrix.elixir }} / OTP ${{ matrix.otp }}
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - elixir: "1.17"
+            otp: "27"
+          - elixir: "1.19"
+            otp: "28"
 
     steps:
       - uses: actions/checkout@v4
 
       - uses: erlef/setup-beam@v1
         with:
-          otp-version: "27"
-          elixir-version: "1.17"
+          otp-version: ${{ matrix.otp }}
+          elixir-version: ${{ matrix.elixir }}
 
       - name: Install dependencies
         run: mix deps.get

From cd520e6c122aba5ba3736eec906a4177a9096109 Mon Sep 17 00:00:00 2001
From: puppe1990 <matheus.puppe90@hotmail.com>
Date: Thu, 1 Oct 2026 14:24:50 -0300
Subject: [PATCH 2/2] docs: require Elixir 1.17 and OTP 27 (#26)

Match mix.exs and the README to the minimum the CI matrix runs.
---
 README.md | 2 +-
 mix.exs   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 646cbf2..e80a8eb 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ vars, trigger deploys, and watch build and runtime logs.
 
 ## Install
 
-Requires Elixir 1.15+ / OTP 26+.
+Requires Elixir 1.17+ / OTP 27+. CI also runs Elixir 1.19 / OTP 28.
 
 ```bash
 git clone https://github.com/cleat-cloud/cleat-cli.git
diff --git a/mix.exs b/mix.exs
index 002fcc3..d45c9c2 100644
--- a/mix.exs
+++ b/mix.exs
@@ -7,7 +7,7 @@ defmodule Cleat.MixProject do
     [
       app: :cleat_cli,
       version: @version,
-      elixir: "~> 1.15",
+      elixir: "~> 1.17",
       start_permanent: Mix.env() == :prod,
       escript: escript(),
       deps: deps(),