diff --git a/.github/workflows/static.yml b/.github/workflows/static.yml
index 4e821aa..889cc33 100644
--- a/.github/workflows/static.yml
+++ b/.github/workflows/static.yml
@@ -3,7 +3,9 @@ name: Static analysis
 on:
   push:
     branches:
-      - master
+      - '[0-9]+.x'
+      - '[0-9]+.[0-9]+'
+      - '[0-9]+.[0-9]+.x'
   pull_request:
 
 jobs:
@@ -13,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: PHPStan
         uses: docker://oskarstark/phpstan-ga
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index aa3953a..30516a4 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -3,7 +3,9 @@ name: tests
 on:
   push:
     branches:
-      - master
+      - '[0-9]+.x'
+      - '[0-9]+.[0-9]+'
+      - '[0-9]+.[0-9]+.x'
   pull_request:
 
 jobs:
@@ -13,23 +15,22 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['7.3', '7.4', '8.0', '8.2']
+        php: ['8.1', '8.2', '8.3', '8.4', '8.5']
         symfony-version: ['*']
         include:
-          - php: '7.4'
-            symfony-version: 3.4.*
-          - php: '7.4'
-            symfony-version: 4.4.*
-          - php: '8.0'
+          - php: '8.1'
             symfony-version: 5.4.*
-          - php: '8.0'
+          - php: '8.1'
             symfony-version: 6.0.*
           - php: '8.2'
             symfony-version: 7.0.*
+          - php: '8.5'
+            symfony-version: 8.0.*
+
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -59,7 +60,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['7.3']
+        php: ['8.1']
 
     steps:
       - name: Checkout code
@@ -89,7 +90,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 7.4
+          php-version: "8.5"
           tools: composer:v2
           coverage: xdebug
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cbe445b..51119e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 1.5.0
+
+- Support Symfony 8
+- Test with PHP 8.5
+- Remove support for PHP < 8.1
+
 ## 1.4.2 - 2023-12-05
 
 - Support Symfony 7
diff --git a/composer.json b/composer.json
index d34e5ef..7446055 100644
--- a/composer.json
+++ b/composer.json
@@ -11,8 +11,8 @@
         }
     ],
     "require": {
-        "php": "^7.3 || ^8.0",
-        "symfony/stopwatch": "^3.4 || ^4.0 || ^5.0 || ^6.0 || ^7.0",
+        "php": "^8.1",
+        "symfony/stopwatch": "^3.4 || ^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0",
         "php-http/client-common": "^1.9 || ^2.0"
     },
     "require-dev": {
@@ -32,16 +32,9 @@
     "scripts": {
         "test": "vendor/bin/simple-phpunit"
     },
-    "extra": {
-        "branch-alias": {
-            "dev-master": "1.3-dev"
-        }
-    },
     "config": {
         "allow-plugins": {
             "symfony/flex": true
         }
-    },
-    "prefer-stable": true,
-    "minimum-stability": "dev"
+    }
 }
diff --git a/src/StopwatchPlugin.php b/src/StopwatchPlugin.php
index 01c2b52..da623ef 100644
--- a/src/StopwatchPlugin.php
+++ b/src/StopwatchPlugin.php
@@ -31,9 +31,12 @@ public function __construct(Stopwatch $stopwatch)
     }
 
     /**
+     * @param callable(RequestInterface): Promise $next  Next middleware in the chain, the request is passed as the first argument
+     * @param callable(RequestInterface): Promise $first First middleware in the chain, used to restart a request
+     *
      * @return Promise Resolves a PSR-7 Response or fails with an Http\Client\Exception (The same as HttpAsyncClient)
      */
-    protected function doHandleRequest(RequestInterface $request, callable $next, callable $first)
+    protected function doHandleRequest(RequestInterface $request, callable $next, callable $first): Promise
     {
         $eventName = $this->getStopwatchEventName($request);
         $this->stopwatch->start($eventName, self::CATEGORY);
@@ -51,10 +54,8 @@ protected function doHandleRequest(RequestInterface $request, callable $next, ca
 
     /**
      * Generates the event name.
-     *
-     * @return string
      */
-    private function getStopwatchEventName(RequestInterface $request)
+    private function getStopwatchEventName(RequestInterface $request): string
     {
         return sprintf('%s %s', $request->getMethod(), $request->getUri()->__toString());
     }