diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d974367..c6d01b2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -58,6 +58,11 @@ jobs:
             symfony-require: "8.*"
             job-name: "PHP 8.5 - Symfony 8.x"
 
+          - php-version: "8.6"
+            symfony-require: "8.*"
+            job-name: "PHP 8.6 - Symfony 8.x"
+            composer-options: "--ignore-platform-req=php+"
+
     steps:
       - name: "Checkout"
         uses: "actions/checkout@v6"
@@ -74,7 +79,7 @@ jobs:
       - name: "Install dependencies with Composer"
         uses: "ramsey/composer-install@v4"
         with:
-          composer-options: "--prefer-dist"
+          composer-options: "--prefer-dist ${{ matrix.composer-options }}"
 
       - name: Run test suite
         run: ./vendor/bin/phpunit
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b2cf4af..d19255b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+* Added support for PHP 8.6
+
 ## [6.1.0]
 
 * Added AppCheck keyset cache support
diff --git a/composer.json b/composer.json
index 440f07c..879507d 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": "~8.3.0 || ~8.4.0 || ~8.5.0",
+        "php": "~8.3.0 || ~8.4.0 || ~8.5.0 || ~8.6.0",
         "kreait/firebase-php": "^8.1",
         "psr/simple-cache": "^1.0 || ^2.0 || ^3.0",
         "symfony/cache": "^6.4 || ^7.4 || ^8.0",