From 61702aeda2c0c6287c08ee61df18aed4ecd0b60e Mon Sep 17 00:00:00 2001
From: Rock <miguel.garcia@fcm.digital>
Date: Wed, 27 May 2026 10:04:41 +0200
Subject: [PATCH 1/4] Modernize actions

---
 .github/workflows/ci.yml | 42 ++++++++++++++++++++++++----------------
 1 file changed, 25 insertions(+), 17 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 00bb85d..5872b60 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,38 +8,48 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     env:
       MIX_ENV: test
+      GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
     strategy:
       fail-fast: false
       matrix:
         include:
-          - pair:
-              elixir: "1.11"
-              otp: "21"
-          - pair:
-              elixir: "1.18"
-              otp: "27"
+          # Minimum supported versions.
+          # OTP 24.2 is the earliest available on ubuntu-22.04.
+          # Elixir 1.12 is the earliest version compatible with OTP 24.
+          - elixir: "1.12"
+            otp: "24"
+
+          # Latest versions.
+          - elixir: "1.19"
+            otp: "28"
             lint: lint
     steps:
-      - uses: actions/checkout@v4
+      - name: Check out this repository
+        uses: actions/checkout@v6
 
-      - uses: erlef/setup-beam@v1
+      - name: Set up Erlang and Elixir
+        uses: erlef/setup-beam@v1
         with:
-          otp-version: ${{matrix.pair.otp}}
-          elixir-version: ${{matrix.pair.elixir}}
+          otp-version: ${{matrix.otp}}
+          elixir-version: ${{matrix.elixir}}
 
-      - uses: actions/cache@v4
+      - name: Cache Mix dependencies
+        uses: actions/cache@v5
+        id: cache-deps
         with:
           path: |
             deps
             _build
-          key: ${{ runner.os }}-mix-${{matrix.pair.elixir}}-${{matrix.pair.otp}}-${{ hashFiles('**/mix.lock') }}
+          key: |
+            mix-${{ runner.os }}-${{matrix.elixir}}-${{matrix.otp}}-${{ hashFiles('**/mix.lock') }}
           restore-keys: |
-            ${{ runner.os }}-mix-${{matrix.pair.elixir}}-${{matrix.pair.otp}}-
+            mix-${{ runner.os }}-${{matrix.elixir}}-${{matrix.otp}}-
 
-      - run: mix deps.get
+      - run: mix do deps.get --check-locked, deps.compile
+        if: steps.cache-deps.outputs.cache-hit != 'true'
 
       - run: mix format --check-formatted
         if: ${{ matrix.lint }}
@@ -47,8 +57,6 @@ jobs:
       - run: mix deps.unlock --check-unused
         if: ${{ matrix.lint }}
 
-      - run: mix deps.compile
-
       - run: mix compile --warnings-as-errors
         if: ${{ matrix.lint }}
 

From 511f780a8e91bacdd3bfa064411d5275f10ec99d Mon Sep 17 00:00:00 2001
From: Rock <miguel.garcia@fcm.digital>
Date: Wed, 27 May 2026 10:09:01 +0200
Subject: [PATCH 2/4] Bump to 1.13 minimum

---
 .github/workflows/ci.yml | 4 ++--
 mix.exs                  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5872b60..12aeaf3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,8 +18,8 @@ jobs:
         include:
           # Minimum supported versions.
           # OTP 24.2 is the earliest available on ubuntu-22.04.
-          # Elixir 1.12 is the earliest version compatible with OTP 24.
-          - elixir: "1.12"
+          # Elixir 1.13 is the minimum required by transitive dep :jose.
+          - elixir: "1.13"
             otp: "24"
 
           # Latest versions.
diff --git a/mix.exs b/mix.exs
index 3985b2a..6d2c4e8 100644
--- a/mix.exs
+++ b/mix.exs
@@ -9,7 +9,7 @@ defmodule BroadwayCloudPubSub.MixProject do
     [
       app: :broadway_cloud_pub_sub,
       version: @version,
-      elixir: "~> 1.11",
+      elixir: "~> 1.13",
       elixirc_paths: elixirc_paths(Mix.env()),
       name: "BroadwayCloudPubSub",
       description: @description,

From 65ad43009b61941550741fd8978c6f643c015d8b Mon Sep 17 00:00:00 2001
From: Rock <miguel.garcia@fcm.digital>
Date: Wed, 27 May 2026 10:15:35 +0200
Subject: [PATCH 3/4] Elixir 1.15

---
 .github/workflows/ci.yml | 6 ++----
 mix.exs                  | 2 +-
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 12aeaf3..d9cd091 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,10 +17,8 @@ jobs:
       matrix:
         include:
           # Minimum supported versions.
-          # OTP 24.2 is the earliest available on ubuntu-22.04.
-          # Elixir 1.13 is the minimum required by transitive dep :jose.
-          - elixir: "1.13"
-            otp: "24"
+          - elixir: "1.15"
+            otp: "26"
 
           # Latest versions.
           - elixir: "1.19"
diff --git a/mix.exs b/mix.exs
index 6d2c4e8..dffb624 100644
--- a/mix.exs
+++ b/mix.exs
@@ -9,7 +9,7 @@ defmodule BroadwayCloudPubSub.MixProject do
     [
       app: :broadway_cloud_pub_sub,
       version: @version,
-      elixir: "~> 1.13",
+      elixir: "~> 1.15",
       elixirc_paths: elixirc_paths(Mix.env()),
       name: "BroadwayCloudPubSub",
       description: @description,

From 59fbfae36f593364a658ca21a7d24c5e567f01a2 Mon Sep 17 00:00:00 2001
From: Rock <miguel.garcia@fcm.digital>
Date: Wed, 27 May 2026 10:39:37 +0200
Subject: [PATCH 4/4] Add unreleased to changelog

---
 CHANGELOG.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 67da6b8..0b47580 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Changed
+- Bump minimum elixir to 1.15
+- Modernize github actions
+
 ## [1.0.0] - 2026-05-26
 
 ### Changed