diff --git a/Cron/UpdateApiData.php b/Cron/UpdateApiData.php
index f08bb61..03ad39f 100644
--- a/Cron/UpdateApiData.php
+++ b/Cron/UpdateApiData.php
@@ -102,7 +102,7 @@ public function execute(): void
                 continue;
             }
 
-            $hash = md5($key . ':' . $secret);
+            $hash = hash('sha256', $key . ':' . $secret);
             $groupedScopes[$hash] ??= ['key' => $key, 'secret' => $secret, 'scopes' => []];
             $groupedScopes[$hash]['scopes'][] = $scope;
 
diff --git a/composer.json b/composer.json
index 676d27a..947ebc0 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "postcode-nl/api-magento2-module",
-    "version": "4.1.0",
+    "version": "4.1.1",
     "description": "Postcode.eu Address Validation module for Magento 2. Adds autocompletion for addresses in multiple countries using official postal data.",
     "require": {
       "php": "^7.4 || ^8.0",
diff --git a/etc/config.xml b/etc/config.xml
index a2f9899..03ec38c 100644
--- a/etc/config.xml
+++ b/etc/config.xml
@@ -3,7 +3,7 @@
     <default>
         <postcodenl_api>
             <status>
-                <module_version>4.1.0</module_version>
+                <module_version>4.1.1</module_version>
                 <account_status>new</account_status>
             </status>
             <general>