diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index afd1cfb9..b07761af 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -32,4 +32,4 @@ jobs:
       os: >-
         ['ubuntu-latest']
       php: >-
-        ['8.1', '8.2', '8.3', '8.4']
+        ['8.1', '8.2', '8.3', '8.4', '8.5']
diff --git a/.github/workflows/composer-require-checker.yml b/.github/workflows/composer-require-checker.yml
index a93390b1..d2ef508b 100644
--- a/.github/workflows/composer-require-checker.yml
+++ b/.github/workflows/composer-require-checker.yml
@@ -31,4 +31,4 @@ jobs:
       os: >-
         ['ubuntu-latest']
       php: >-
-        ['8.1', '8.2', '8.3', '8.4']
+        ['8.1', '8.2', '8.3', '8.4', '8.5']
diff --git a/.github/workflows/mutation.yml b/.github/workflows/mutation.yml
index a56769ea..d746b429 100644
--- a/.github/workflows/mutation.yml
+++ b/.github/workflows/mutation.yml
@@ -27,6 +27,6 @@ jobs:
       os: >-
         ['ubuntu-latest']
       php: >-
-        ['8.4']
+        ['8.5']
     secrets:
       STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
diff --git a/.github/workflows/static.yml b/.github/workflows/static.yml
index d03874dc..eec55426 100644
--- a/.github/workflows/static.yml
+++ b/.github/workflows/static.yml
@@ -29,4 +29,4 @@ jobs:
       os: >-
         ['ubuntu-latest']
       php: >-
-        ['8.1', '8.2', '8.3', '8.4']
+        ['8.1', '8.2', '8.3', '8.4', '8.5']
diff --git a/README.md b/README.md
index 38a4814b..0dd32888 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ An extension for running tasks asynchronously via queues.
 
 ## Requirements
 
-- PHP 8.1 or higher.
+- PHP 8.1 - 8.5.
 
 ## Installation
 
diff --git a/composer.json b/composer.json
index 2fcd4a17..e321e0b1 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
     "minimum-stability": "dev",
     "prefer-stable": true,
     "require": {
-        "php": "8.1 - 8.4",
+        "php": "8.1 - 8.5",
         "psr/container": "^1.0 || ^2.0",
         "psr/log": "^2.0 || ^3.0",
         "symfony/console": "^5.4 || ^6.0 || ^7.0",