diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 145d475..5aae224 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -25,10 +25,6 @@ jobs:
           tools: composer:v2
           coverage: none
 
-      - name: Emulate PHP 8.3
-        run: composer config platform.php 8.3.999
-        if: matrix.php == '8.4'
-
       - name: Install PHP dependencies
         run: composer update --prefer-dist --no-interaction --no-progress
 
@@ -63,6 +59,7 @@ jobs:
     name: Symfony ${{ matrix.symfony }} LTS
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         include:
           - symfony: '4.4.*'
@@ -71,8 +68,10 @@ jobs:
             php-version: '7.4'
           - symfony: '6.4.*'
             php-version: '8.2'
-          - symfony: '7.0.*'
-            php-version: '8.2'
+          - symfony: '7.3.*'
+            php-version: '8.3'
+          - symfony: '8.0.*'
+            php-version: '8.4'
 
     steps:
       - name: Checkout code
@@ -91,7 +90,7 @@ jobs:
         run: |
           composer global config --no-plugins allow-plugins.symfony/flex true
           composer global require --no-progress --no-scripts --no-plugins symfony/flex
-          composer update --prefer-dist --no-interaction --prefer-stable --no-progress
+          composer update --prefer-dist --no-interaction --no-progress
 
       - name: Execute tests
         run: composer test
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 31ea0ea..f9b5cb7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## 2.8.0
+
+- Allow installation with Symfony 8.
+
 ## 2.7.2 - 2024-09-24
 
 - Updated code to not raise warnings for nullable parameters in PHP 8.4.
diff --git a/composer.json b/composer.json
index 25afb92..b15a571 100644
--- a/composer.json
+++ b/composer.json
@@ -17,14 +17,14 @@
         "psr/http-client": "^1.0",
         "psr/http-factory": "^1.0",
         "psr/http-message": "^1.0 || ^2.0",
-        "symfony/options-resolver": "~4.0.15 || ~4.1.9 || ^4.2.1 || ^5.0 || ^6.0 || ^7.0",
+        "symfony/options-resolver": "~4.0.15 || ~4.1.9 || ^4.2.1 || ^5.0 || ^6.0 || ^7.0 || ^8.0",
         "symfony/polyfill-php80": "^1.17"
     },
     "require-dev": {
         "doctrine/instantiator": "^1.1",
         "guzzlehttp/psr7": "^1.4",
         "nyholm/psr7": "^1.2",
-        "phpspec/phpspec": "^5.1 || ^6.3 || ^7.1",
+        "phpspec/phpspec": "^5.1 || ^6.3 || ^7.1 || ^8.0",
         "phpspec/prophecy": "^1.10.2",
         "phpunit/phpunit": "^7.5.20 || ^8.5.33 || ^9.6.7"
     },