diff --git a/.github/workflows/code_analysis.yaml b/.github/workflows/code_analysis.yaml
index 4a65b7e..8ea1bd1 100644
--- a/.github/workflows/code_analysis.yaml
+++ b/.github/workflows/code_analysis.yaml
@@ -23,6 +23,7 @@ jobs:
           - '8.1'
           - '8.2'
           - '8.3'
+          - '8.4'
 
     name: ${{ matrix.actions.name }} at PHP ${{ matrix.php }}
     runs-on: ubuntu-latest
diff --git a/composer.json b/composer.json
index 58de3d8..f4cee27 100644
--- a/composer.json
+++ b/composer.json
@@ -10,11 +10,11 @@
         }
     ],
     "require": {
-        "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0",
+        "php": "~8.0",
         "psr/http-message": "~1.0 || ~2.0"
     },
     "require-dev": {
-        "phpstan/phpstan": "1.10.18",
+        "phpstan/phpstan": "1.12.6",
         "phpunit/phpunit": "^9.0 || ^10.0"
     },
     "suggest": {