diff --git a/.github/workflows/full-checks.yml b/.github/workflows/full-checks.yml
index 2e44db3..ebf1dac 100644
--- a/.github/workflows/full-checks.yml
+++ b/.github/workflows/full-checks.yml
@@ -26,6 +26,7 @@ jobs:
           - "8.2"
           - "8.3"
           - "8.4"
+          - "8.5"
         operating-system:
           - "ubuntu-22.04"
 
diff --git a/composer.json b/composer.json
index 0a38a14..409fa47 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     }
   },
   "require": {
-    "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
+    "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0"
   },
   "require-dev": {
     "phpstan/phpstan": "^1.5",
diff --git a/composer.lock b/composer.lock
index 8f3d6f5..54b3783 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "2abc738bbadd39e602b8fccbdf87a59c",
+    "content-hash": "eafc029cb42c297b53caada885dfcca3",
     "packages": [],
     "packages-dev": [
         {
@@ -2194,12 +2194,12 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {},
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
+        "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0"
     },
-    "platform-dev": [],
+    "platform-dev": {},
     "plugin-api-version": "2.6.0"
 }