diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..0126f33
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,8 @@
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+    - package-ecosystem: "composer" # See documentation for possible values
+      directory: "/" # Location of package manifests
+      schedule:
+          interval: "weekly"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..3aa54e3
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,87 @@
+name: CI
+on:
+    push:
+        paths-ignore:
+            - 'README.md'
+            - 'LICENSE'
+        branches: [ "main" ]
+    pull_request:
+        paths-ignore:
+            - 'README.md'
+            - 'LICENSE'
+            - 'example'
+        branches: [ "main" ]
+
+permissions:
+    contents: read
+
+jobs:
+    test:
+        runs-on: ubuntu-latest
+        strategy:
+            max-parallel: 2
+            fail-fast: false
+            matrix:
+                php-version: [
+                    "8.1",
+                    "8.2",
+                    "8.3",
+                  # also try a future version
+                    "8.4"
+                ]
+                composer-param: [
+                    "update --no-progress --prefer-dist --prefer-lowest",
+                    "update --no-progress --prefer-dist"
+                ]
+        name: PHP ${{ matrix.php-version }} test
+        steps:
+            - name: checkout project
+              uses: actions/checkout@v4
+              with:
+                  # needed by scrutinizer
+                  fetch-depth: 2
+
+            - name: Setup PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: ${{ matrix.php-version }}
+                  extensions: bcmath
+                  tools: composer:v2
+                  # needed by PHPUnit code coverage
+                  coverage: pcov
+
+            - name: Validate composer.json and composer.lock
+              run: composer validate
+
+            - name: Get composer cache directory
+              id: composer-cache
+              run: echo "dir=$(composer config cache-dir)" >> $GITHUB_OUTPUT
+
+            - name: Cache composer dependencies
+              uses: actions/cache@v3
+              with:
+                  path: ${{ steps.composer-cache.outputs.dir }}
+                  key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+                  restore-keys: ${{ runner.os }}-composer-
+
+            - name: Install dependencies
+              run: composer ${{ matrix.composer-param }}
+
+            # Run phpunit with code coverage
+            - name: PHPUnit Tests
+              run: vendor/bin/phpunit --coverage-clover=coverage.clover
+
+                # Uploading reports for analysis
+            - name: Upload code-coverage to scrutinizer
+              run: vendor/bin/ocular code-coverage:upload --format=php-clover coverage.clover
+
+            - name: Publish code coverage to Code Climate
+              uses: paambaati/codeclimate-action@v5
+              env:
+                  CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
+              with:
+                  coverageLocations: |
+                      coverage.clover:clover
+
+
+# vim: syntax=yaml ts=2 sw=2 et sr softtabstop=2 autoindent
diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
deleted file mode 100644
index 1ef7894..0000000
--- a/.github/workflows/php.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-name: PHP Composer
-
-on:
-  push:
-    branches: [ "main" ]
-  pull_request:
-    branches: [ "main" ]
-
-permissions:
-  contents: read
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Validate composer.json and composer.lock
-      run: composer validate --strict
-
-    - name: Cache Composer packages
-      id: composer-cache
-      uses: actions/cache@v3
-      with:
-        path: vendor
-        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-php-
-
-    - name: Install dependencies
-      run: composer install --prefer-dist --no-progress
-
-    # Add a test script to composer.json, for instance: "test": "vendor/bin/phpunit"
-    # Docs: https://getcomposer.org/doc/articles/scripts.md
-
-    # - name: Run test suite
-    #   run: composer run-script test
diff --git a/composer.json b/composer.json
index 34d559e..40722de 100644
--- a/composer.json
+++ b/composer.json
@@ -62,5 +62,8 @@
     },
     "preferred-install": "dist",
     "sort-packages": true
+  },
+  "scripts": {
+    "test": "phpunit --display-warnings --display-notices"
   }
 }