diff --git a/.laminas-ci.json b/.laminas-ci.json
new file mode 100644
index 0000000..c6aab18
--- /dev/null
+++ b/.laminas-ci.json
@@ -0,0 +1,5 @@
+{
+    "ignore_php_platform_requirements": {
+        "8.3": true
+    }
+}
diff --git a/composer.json b/composer.json
index b718949..803a74a 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
         }
     },
     "require": {
-        "php": "~8.1 || ~8.2",
+        "php": "~8.1 || ~8.2 || ~8.3",
         "ext-json": "*",
         "netglue/prismic-client": "^1.0.0",
         "netglue/prismic-doctype-client": "^1.0.0",
@@ -51,15 +51,15 @@
         "ext-curl": "*",
         "doctrine/coding-standard": "^12.0",
         "laminas/laminas-config-aggregator": "^1.13",
-        "laminas/laminas-diactoros": "^3.0.0",
+        "laminas/laminas-diactoros": "^3.2.0",
         "laminas/laminas-servicemanager": "^3.21",
         "lctrs/psalm-psr-container-plugin": "^1.9",
         "php-http/curl-client": "^2.3",
-        "phpunit/phpunit": "^10.2.3",
+        "phpunit/phpunit": "^10.3.5",
         "psalm/plugin-phpunit": "^0.18.4",
         "roave/security-advisories": "dev-master",
         "squizlabs/php_codesniffer": "^3.7.2",
-        "vimeo/psalm": "^5.13.1"
+        "vimeo/psalm": "^5.15.0"
     },
     "extra": {
         "laminas": {
diff --git a/composer.lock b/composer.lock
index 5f5e590..e0407bc 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": "d5559618d52822e86f5e084343387d88",
+    "content-hash": "43bcc7fbceb6f26efdd1efa77f73fe99",
     "packages": [
         {
             "name": "laminas/laminas-escaper",
@@ -6160,7 +6160,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~8.1 || ~8.2",
+        "php": "~8.1 || ~8.2 || ~8.3",
         "ext-json": "*"
     },
     "platform-dev": {