diff --git a/.github/workflows/code-coverage.yaml b/.github/workflows/ci.yml
similarity index 68%
rename from .github/workflows/code-coverage.yaml
rename to .github/workflows/ci.yml
index 52f60816..4a354fbf 100644
--- a/.github/workflows/code-coverage.yaml
+++ b/.github/workflows/ci.yml
@@ -1,18 +1,27 @@
-name: PHPUnit Coverage Report
+name: Continuous integration
 
 on:
+  workflow_dispatch: ~
   push:
-    branches: [develop, main]
+    branches:
+      - develop
+      - main
   pull_request:
-    branches: [develop, main]
-  workflow_dispatch: ~
+    branches:
+      - develop
+      - main
 
 jobs:
   ci:
+    name: Linting, tests and coverage
     runs-on: ubuntu-22.04
-    defaults:
-      run:
-        working-directory: ./
+
+    strategy:
+      matrix:
+        php-version:
+          - 8.1
+          - 8.2
+          - 8.3
 
     steps:
       - uses: actions/checkout@v4
@@ -20,8 +29,8 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 5.6
-          tools: composer:v1
+          php-version: ${{ matrix.php-version }}
+          tools: composer:v2
 
       - name: Validate composer.json and composer.lock
         run: composer validate
diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
deleted file mode 100644
index 739638d0..00000000
--- a/.github/workflows/php.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-name: PHP Lint and unit tests
-
-on:
-  push:
-    branches: [main]
-  pull_request:
-    branches: [main]
-  workflow_dispatch: ~
-
-jobs:
-  ci:
-    runs-on: ubuntu-20.04
-    defaults:
-      run:
-        working-directory: ./
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: 5.6
-          tools: composer:v1
-
-      - name: Validate composer.json and composer.lock
-        run: composer validate
-
-      - name: Install dependencies
-        run: composer install --prefer-dist --no-progress --no-suggest
-
-      - name: Ensure source code is linted
-        run: ./vendor/bin/phpcs src
-
-      - name: Ensure unit test are green
-        run: ./vendor/bin/phpunit -c phpunit.ci.xml
diff --git a/README.md b/README.md
index 77609ddb..eea3d897 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ If you find yourself needing to use some endpoints that are not yet implemented,
 Installation
 ------------
 
-The Alma PHP API Client library requires at least PHP 5.6.
+The Alma PHP API Client library is tested against all recently supported PHP versions.
 A modern, [supported PHP version](https://www.php.net/supported-versions.php) is highly recommended.
 
 ### Composer
diff --git a/composer.json b/composer.json
index c6434a71..060c58bc 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
   "version": "2.0.7",
   "type": "library",
   "require": {
-    "php": "^5.6 || ~7.0 || ~7.1 || ~7.2 || ~7.3 || ~7.4 || ~8.0 || ~8.1 || ~8.2",
+    "php": "^5.6 || ~7.0 || ~7.1 || ~7.2 || ~7.3 || ~7.4 || ~8.0 || ~8.1 || ~8.2 || ~8.3",
     "psr/log": "^1 || ^2 || ^3",
     "ext-curl": "*",
     "ext-json": "*",