diff --git a/composer.json b/composer.json
index d1b96bc..185da03 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     ],
     "license": "BSD-3-Clause",
     "require": {
-        "php": "~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0",
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
         "laminas/laminas-serializer": "^2.10",
         "phpbench/phpbench": "^1.0"
     },
@@ -20,7 +20,7 @@
     "config": {
         "sort-packages": true,
         "platform": {
-            "php": "7.4.99"
+            "php": "8.1.99"
         },
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true
diff --git a/composer.lock b/composer.lock
index fa00909..7b7477a 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": "9ba87cbead08dca972a06482be383fe5",
+    "content-hash": "c978dc86156c75e742df7bd92497cd95",
     "packages": [
         {
             "name": "doctrine/annotations",
@@ -3939,11 +3939,11 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0"
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0"
     },
     "platform-dev": [],
     "platform-overrides": {
-        "php": "7.4.99"
+        "php": "8.1.99"
     },
     "plugin-api-version": "2.6.0"
 }