diff --git a/composer.json b/composer.json
index d8f53c1..d6569fa 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "Sign and verify stuff",
     "license": "MIT",
     "require": {
-        "php": "~8.0.0 || ~8.1.0 || ~8.2.0"
+        "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6.7",
diff --git a/composer.lock b/composer.lock
index 1de617c..cc68329 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": "f8fba55f4c077df4ca247fa5ca09aa86",
+    "content-hash": "661ca1265342fe37f2e458ca81416060",
     "packages": [],
     "packages-dev": [
         {
@@ -4810,7 +4810,7 @@
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
-        "php": "~8.0.0 || ~8.1.0 || ~8.2.0"
+        "php": "~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0"
     },
     "platform-dev": [],
     "platform-overrides": {