diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1cafb13..5f46576 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         tag: ["amd64"]
-        php: ["8.1", "8.2"]
+        php: ["8.2", "8.3"]
     name: PHP ${{ matrix.php }} Test on ${{ matrix.tag }}
     steps:
       - name: Checkout
diff --git a/composer.json b/composer.json
index c1c10f3..d48628e 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "php-64bit": ">=8.1"
+        "php-64bit": ">=8.2.17"
     },
     "require-dev": {
         "phpunit/phpunit": "^11",