diff --git a/composer.json b/composer.json
index 3d44914..27630b2 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
     ],
     "license": "BSD-3-Clause",
     "require": {
-        "php": "~8.0.0 || ~8.1.0 || ~8.2.0",
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
         "ext-redis": "^5.0.2 || ^6.0",
         "laminas/laminas-cache": "^3.10"
     },
@@ -15,7 +15,6 @@
         "laminas/laminas-cache-storage-implementation": "1.0"
     },
     "require-dev": {
-        "boesing/psalm-plugin-stringf": "^1.2",
         "laminas/laminas-cache-storage-adapter-benchmark": "^1.0",
         "laminas/laminas-cache-storage-adapter-test": "^2.5",
         "laminas/laminas-coding-standard": "~2.5.0",
@@ -26,7 +25,7 @@
     "config": {
         "sort-packages": true,
         "platform": {
-            "php": "8.0.99"
+            "php": "8.1.99"
         },
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true
diff --git a/composer.lock b/composer.lock
index eeb40a2..e0bb2f7 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": "eb146b6c5680538c8afee99a4adb18f3",
+    "content-hash": "77328d1de3455290d34f6e5684505f13",
     "packages": [
         {
             "name": "laminas/laminas-cache",
@@ -792,64 +792,6 @@
             ],
             "time": "2021-03-30T17:13:30+00:00"
         },
-        {
-            "name": "boesing/psalm-plugin-stringf",
-            "version": "1.4.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/boesing/psalm-plugin-stringf.git",
-                "reference": "7c3be84584f84e014068c334fe995093a0248bcc"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/boesing/psalm-plugin-stringf/zipball/7c3be84584f84e014068c334fe995093a0248bcc",
-                "reference": "7c3be84584f84e014068c334fe995093a0248bcc",
-                "shasum": ""
-            },
-            "require": {
-                "ext-simplexml": "*",
-                "php": "^7.4 || ~8.0.0 || ~8.1.0 || ~8.2.0",
-                "vimeo/psalm": "^4.30 || ^5.0",
-                "webmozart/assert": "^1.11"
-            },
-            "require-dev": {
-                "codeception/codeception": "^4.1",
-                "codeception/module-asserts": "^2.0",
-                "codeception/module-phpbrowser": "^2.0",
-                "doctrine/coding-standard": "^10.0",
-                "symfony/console": "^5.4",
-                "symfony/finder": "^5.4",
-                "symfony/yaml": "^5.4",
-                "weirdan/codeception-psalm-module": "^0.14.0"
-            },
-            "type": "psalm-plugin",
-            "extra": {
-                "psalm": {
-                    "pluginClass": "Boesing\\PsalmPluginStringf\\Plugin"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Boesing\\PsalmPluginStringf\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause"
-            ],
-            "description": "Psalm plugin to work with `sprintf`, `printf`, `sscanf` and `fscanf`.",
-            "support": {
-                "issues": "https://github.com/boesing/psalm-plugin-stringf/issues",
-                "source": "https://github.com/boesing/psalm-plugin-stringf/tree/1.4.0"
-            },
-            "funding": [
-                {
-                    "url": "https://funding.communitybridge.org/projects/laminas-project",
-                    "type": "community_bridge"
-                }
-            ],
-            "time": "2022-12-10T15:57:20+00:00"
-        },
         {
             "name": "composer/package-versions-deprecated",
             "version": "1.11.99.5",
@@ -5611,12 +5553,12 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~8.0.0 || ~8.1.0 || ~8.2.0",
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
         "ext-redis": "^5.0.2 || ^6.0"
     },
     "platform-dev": [],
     "platform-overrides": {
-        "php": "8.0.99"
+        "php": "8.1.99"
     },
     "plugin-api-version": "2.6.0"
 }
diff --git a/psalm.xml b/psalm.xml
index 76a14dc..dfc0477 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -53,6 +53,5 @@
     </issueHandlers>
     <plugins>
         <pluginClass class="Psalm\PhpUnitPlugin\Plugin"/>
-        <pluginClass class="Boesing\PsalmPluginStringf\Plugin"/>
     </plugins>
 </psalm>