diff --git a/appinfo/info.xml b/appinfo/info.xml
index e2fd374..4a0ea83 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -6,7 +6,7 @@
     <summary>Admin group manager</summary>
     <description><![CDATA[
 Manage routines associates to admin groups]]></description>
-    <version>0.1.1</version>
+    <version>0.2.0</version>
     <licence>agpl</licence>
     <author mail="vitor@librecode.coop" >Vitor Mattos</author>
     <namespace>AdminGroupManager</namespace>
diff --git a/composer.json b/composer.json
index e73de18..8f7c9df 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
 			"bamarni/composer-bin-plugin": true
 		},
 		"platform": {
-			"php": "8.1"
+			"php": "8.3"
 		}
 	},
 	"scripts": {
diff --git a/lib/Middleware/InjectionMiddleware.php b/lib/Middleware/InjectionMiddleware.php
index 280a201..c850b2a 100644
--- a/lib/Middleware/InjectionMiddleware.php
+++ b/lib/Middleware/InjectionMiddleware.php
@@ -2,14 +2,12 @@
 
 declare(strict_types=1);
 /**
- * SPDX-FileCopyrightText: 2020-2024 LibreCode coop and contributors
+ * SPDX-FileCopyrightText: 2020-2025 LibreCode coop and contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\AdminGroupManager\Middleware;
 
-use OC\Security\Ip\Address;
-use OC\Security\Ip\Range;
 use OCA\AdminGroupManager\Controller\AEnvironmentAwareOCSController;
 use OCA\AdminGroupManager\Controller\Attribute\RestrictIp;
 use OCP\AppFramework\Controller;
@@ -50,19 +48,21 @@ public function beforeController(Controller $controller, string $methodName) {
 	}
 
 	private function restrictIp(): void {
-		$ip = new Address(
-			$this->request->getRemoteAddress()
-		);
+		$remoteAddress = $this->request->getRemoteAddress();
+		// Use public OCP interfaces for IP validation (available since NC30)
+		$ip = new \OC\Security\Ip\Address($remoteAddress);
 		$ranges = $this->config->getSystemValue('admin_group_manager_allowed_range');
 		if (!is_array($ranges) || empty($ranges)) {
 			return;
 		}
-		foreach ($ranges as $range) {
-			if ((new Range($range))->contains($ip)) {
-				return;
-			}
+		$rangeObjects = array_map(
+			fn (string $range) => new \OC\Security\Ip\Range($range),
+			$ranges
+		);
+		if ($ip->matches(...$rangeObjects)) {
+			return;
 		}
-		$this->logger->error('Unauthorized access to API', ['IP' => $ip]);
+		$this->logger->error('Unauthorized access to API', ['IP' => $remoteAddress]);
 		throw new OCSException('', Http::STATUS_UNAUTHORIZED);
 	}
 }
diff --git a/tests/psalm-baseline.xml b/tests/psalm-baseline.xml
index b972764..51c048f 100644
--- a/tests/psalm-baseline.xml
+++ b/tests/psalm-baseline.xml
@@ -13,7 +13,6 @@
       <code><![CDATA[Users]]></code>
       <code><![CDATA[Users]]></code>
       <code><![CDATA[Users]]></code>
-      <code><![CDATA[\OC_Helper]]></code>
     </UndefinedClass>
   </file>
 </files>