diff --git a/composer.json b/composer.json
index 30bda95f..70259082 100644
--- a/composer.json
+++ b/composer.json
@@ -17,8 +17,8 @@
   "minimum-stability": "dev",
   "require": {
     "php": "~8.3.0 || ~8.4.0",
+    "pimcore/pimcore": "^12.0",
     "nesbot/carbon": "^2.72 || ^3.8.4",
-    "pimcore/pimcore": "^11.0.7 || ^12.0",
     "pimcore/personalization-bundle": "^1.0",
     "pimcore/google-marketing-bundle": "^1.0",
     "knplabs/knp-paginator-bundle": "^6.0.0",
diff --git a/doc/03_Installation/01_Upgrade_Notes.md b/doc/03_Installation/01_Upgrade_Notes.md
index b89c2fed..3ee51db1 100644
--- a/doc/03_Installation/01_Upgrade_Notes.md
+++ b/doc/03_Installation/01_Upgrade_Notes.md
@@ -3,3 +3,6 @@
 #### v1.2.1
 - Removed the package "rybakit/twig-deferred-extension". If you extend the twig layout from the E-Commerce Framework, 
   please check if custom CSS/JS code added by `pimcore_head_script` and `pimcore_head_link` is still working. 
+
+#### v2.0.0
+- `AbstractOfferToolProduct` now only accepts int as the `$id` parameter.
\ No newline at end of file
diff --git a/doc/19_Upgrade_Notes/README.md b/doc/19_Upgrade_Notes/README.md
index d580c80c..d803d279 100644
--- a/doc/19_Upgrade_Notes/README.md
+++ b/doc/19_Upgrade_Notes/README.md
@@ -2,6 +2,9 @@
 
 ## Version 2.0.0
 
+### [Pimcore]
+- Updated to composer to Pimcore 12 due to a BC-Break for `getById()` only accepting `int` as parameter for `id`.
+
 ### [Elasticsearch]
 
 - Removed ElasticSearchConfigInterface, use SearchConfigInterface instead.
diff --git a/src/OfferTool/AbstractOfferToolProduct.php b/src/OfferTool/AbstractOfferToolProduct.php
index 36ca1d03..cd5f382e 100644
--- a/src/OfferTool/AbstractOfferToolProduct.php
+++ b/src/OfferTool/AbstractOfferToolProduct.php
@@ -117,16 +117,8 @@ public function getOSAvailabilityInfo(?int $quantity = null): AvailabilityInterf
         return $this->getAvailabilitySystemImplementation()->getAvailabilityInfo($this, $quantity);
     }
 
-    public static function getById(int|string $id, array $params = []): ?static
+    public static function getById(int $id, array $params = []): ?static
     {
-        if (is_string($id)) {
-            trigger_deprecation(
-                'pimcore/pimcore',
-                '11.0',
-                sprintf('Passing id as string to method %s is deprecated', __METHOD__)
-            );
-            $id = is_numeric($id) ? (int) $id : 0;
-        }
         $object = DataObject::getById($id, $params);
 
         if ($object instanceof AbstractOfferToolProduct) {