diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
new file mode 100644
index 0000000..353dbc8
--- /dev/null
+++ b/.github/workflows/php.yml
@@ -0,0 +1,40 @@
+name: PHP Composer
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - uses: shivammathur/setup-php@v2
+      with:
+        php-version: '8.2'
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate --strict
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v4
+      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
+
+    - name: Run test suite
+      run: composer test
diff --git a/composer.lock b/composer.lock
index c0bb1e7..1ed8e67 100644
--- a/composer.lock
+++ b/composer.lock
@@ -553,23 +553,24 @@
         },
         {
             "name": "web-eid/ocsp-php",
-            "version": "1.1.1",
+            "version": "1.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/web-eid/ocsp-php.git",
-                "reference": "2b039e9f18c2cdfd1fe554e9c8e496e6326ac67e"
+                "reference": "6a2aa24e5c22bb1477421b118e563d679ddd69b7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/web-eid/ocsp-php/zipball/2b039e9f18c2cdfd1fe554e9c8e496e6326ac67e",
-                "reference": "2b039e9f18c2cdfd1fe554e9c8e496e6326ac67e",
+                "url": "https://api.github.com/repos/web-eid/ocsp-php/zipball/6a2aa24e5c22bb1477421b118e563d679ddd69b7",
+                "reference": "6a2aa24e5c22bb1477421b118e563d679ddd69b7",
                 "shasum": ""
             },
             "require": {
+                "php": ">=8.1",
                 "phpseclib/phpseclib": "3.0.*"
             },
             "require-dev": {
-                "phpunit/phpunit": "^11.0.4"
+                "phpunit/phpunit": "^10.5"
             },
             "type": "library",
             "autoload": {
@@ -610,10 +611,10 @@
             ],
             "description": "OCSP library for PHP",
             "support": {
-                "source": "https://github.com/web-eid/ocsp-php/tree/1.1.1",
+                "source": "https://github.com/web-eid/ocsp-php/tree/1.1.2",
                 "issues": "https://github.com/web-eid/ocsp-php/issues"
             },
-            "time": "2024-03-12T16:06:17+00:00"
+            "time": "2024-03-15T11:51:14+00:00"
         }
     ],
     "packages-dev": [