diff --git a/src/backend/InvenTree/InvenTree/api_version.py b/src/backend/InvenTree/InvenTree/api_version.py
index c4735f7e94..d003dcaba0 100644
--- a/src/backend/InvenTree/InvenTree/api_version.py
+++ b/src/backend/InvenTree/InvenTree/api_version.py
@@ -1,11 +1,15 @@
 """InvenTree API version information."""
 
 # InvenTree API version
-INVENTREE_API_VERSION = 421
+INVENTREE_API_VERSION = 422
 """Increment this API version number whenever there is a significant change to the API that any clients need to know about."""
 
 INVENTREE_API_TEXT = """
 
+v422 -> 2025-11-03 : https://github.com/inventree/InvenTree/pull/10750
+    - Adds ability to search StockItem API by supplier SKU
+    - Adds ability to search StockItem API by manufacturer MPN
+
 v421 -> 2025-10-31 : https://github.com/inventree/InvenTree/pull/10724
     - Allow upload of attachments against SupplierPart objects via the API
 
diff --git a/src/backend/InvenTree/stock/api.py b/src/backend/InvenTree/stock/api.py
index b06151d259..6b752f0a9a 100644
--- a/src/backend/InvenTree/stock/api.py
+++ b/src/backend/InvenTree/stock/api.py
@@ -1290,10 +1290,14 @@ class StockList(
     search_fields = [
         'serial',
         'batch',
+        'location__name',
         'part__name',
         'part__IPN',
         'part__description',
-        'location__name',
+        'supplier_part__SKU',
+        'supplier_part__supplier__name',
+        'supplier_part__manufacturer_part__MPN',
+        'supplier_part__manufacturer_part__manufacturer__name',
         'tags__name',
         'tags__slug',
     ]