diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 4756bda..531da1f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -58,6 +58,7 @@ jobs:
                     - 'symfony/symfony:"6.3.*"'
                     - 'symfony/symfony:"6.4.*"'
                     - 'symfony/symfony:"7.0.*"'
+                    - 'symfony/symfony:"8.0.*"'
                 include:
                     - php-version: '8.4'
                       driver-version: 'mongodb/mongo-php-driver@v2.x'
diff --git a/composer.json b/composer.json
index 7f64792..0affdef 100644
--- a/composer.json
+++ b/composer.json
@@ -11,26 +11,27 @@
         { "name": "Jérôme Tamarelle", "email": "jerome.tamarelle@mongodb.com" },
         { "name": "Oskar Stark", "email": "oskarstark@googlemail.com" }
     ],
+    "minimum-stability": "dev",
     "require": {
         "php": ">=8.1",
         "ext-mongodb": "^1.21 || ^2.0",
         "mongodb/mongodb": "^1.21 || ^2.0",
-        "symfony/config": "^6.3 || ^7.0",
-        "symfony/console": "^6.3 || ^7.0",
-        "symfony/dependency-injection": "^6.3.5 || ^7.0",
-        "symfony/http-kernel": "^6.3.5 || ^7.0",
-        "symfony/runtime": "^6.4.14 || ^7.1.7"
+        "symfony/config": "^6.3 || ^7.0 || ^8.0",
+        "symfony/console": "^6.3 || ^7.0 || ^8.0",
+        "symfony/dependency-injection": "^6.3.5 || ^7.0 || ^8.0",
+        "symfony/http-kernel": "^6.3.5 || ^7.0 || ^8.0",
+        "symfony/runtime": "^6.4.14 || ^7.1.7 || ^8.0"
     },
     "require-dev": {
         "doctrine/coding-standard": "^12.0",
         "rector/rector": "^2.0",
-        "symfony/browser-kit": "^6.3 || ^7.0",
-        "symfony/filesystem": "^6.3 || ^7.0",
-        "symfony/framework-bundle": "^6.3.5 || ^7.0",
-        "symfony/phpunit-bridge": "~6.3.10 || ^6.4.1 || ^7.0.1",
-        "symfony/stopwatch": "^6.3 || ^7.0",
-        "symfony/web-profiler-bundle": "^6.3 || ^7.0",
-        "symfony/yaml": "^6.3 || ^7.0",
+        "symfony/browser-kit": "^6.3 || ^7.0 || ^8.0",
+        "symfony/filesystem": "^6.3 || ^7.0 || ^8.0",
+        "symfony/framework-bundle": "^6.3.5 || ^7.0 || ^8.0",
+        "symfony/phpunit-bridge": "~6.3.10 || ^6.4.1 || ^7.0.1 || ^8.0",
+        "symfony/stopwatch": "^6.3 || ^7.0 || ^8.0",
+        "symfony/web-profiler-bundle": "^6.3 || ^7.0 || ^8.0",
+        "symfony/yaml": "^6.3 || ^7.0 || ^8.0",
         "zenstruck/browser": "^1.6"
     },
     "scripts": {
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 7a08153..27def3c 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -11,6 +11,7 @@
     <php>
         <ini name="display_errors" value="1" />
         <ini name="error_reporting" value="-1" />
+        <env name="MONGODB_PRIMARY_URL" value="mongodb://localhost:27017" />
         <server name="APP_ENV" value="test" force="true" />
         <server name="SHELL_VERBOSITY" value="-1" />
         <server name="SYMFONY_DEPRECATIONS_HELPER" value="max[self]=0" />