diff --git a/src/backend/InvenTree/InvenTree/api_version.py b/src/backend/InvenTree/InvenTree/api_version.py
index f77c6f4e64..35b10df141 100644
--- a/src/backend/InvenTree/InvenTree/api_version.py
+++ b/src/backend/InvenTree/InvenTree/api_version.py
@@ -1,13 +1,16 @@
 """InvenTree API version information."""
 
 # InvenTree API version
-INVENTREE_API_VERSION = 328
+INVENTREE_API_VERSION = 329
 
 """Increment this API version number whenever there is a significant change to the API that any clients need to know about."""
 
 
 INVENTREE_API_TEXT = """
 
+v329 - 2025-03-30 : https://github.com/inventree/InvenTree/pull/9399
+    - Convert url path regex-specified PKs to int
+
 v228 - 2025-03-29 : https://github.com/inventree/InvenTree/pull/9407
     - Updates schema to include paging arguments
 
diff --git a/src/backend/InvenTree/company/api.py b/src/backend/InvenTree/company/api.py
index 29810e2dca..b9cdd44835 100644
--- a/src/backend/InvenTree/company/api.py
+++ b/src/backend/InvenTree/company/api.py
@@ -1,7 +1,7 @@
 """Provides a JSON API for the Company app."""
 
 from django.db.models import Q
-from django.urls import include, path, re_path
+from django.urls import include, path
 from django.utils.translation import gettext_lazy as _
 
 from django_filters import rest_framework as rest_filters
@@ -511,8 +511,8 @@ manufacturer_part_api_urls = [
             ),
         ]),
     ),
-    re_path(
-        r'^(?P<pk>\d+)/?',
+    path(
+        '<int:pk>/',
         include([
             path(
                 'metadata/',
@@ -533,8 +533,8 @@ manufacturer_part_api_urls = [
 
 
 supplier_part_api_urls = [
-    re_path(
-        r'^(?P<pk>\d+)/?',
+    path(
+        '<int:pk>/',
         include([
             path(
                 'metadata/',
@@ -557,8 +557,8 @@ company_api_urls = [
     path(
         'price-break/',
         include([
-            re_path(
-                r'^(?P<pk>\d+)/?',
+            path(
+                '<int:pk>/',
                 SupplierPriceBreakDetail.as_view(),
                 name='api-part-supplier-price-detail',
             ),
@@ -569,8 +569,8 @@ company_api_urls = [
             ),
         ]),
     ),
-    re_path(
-        r'^(?P<pk>\d+)/?',
+    path(
+        '<int:pk>/',
         include([
             path(
                 'metadata/',
@@ -584,8 +584,8 @@ company_api_urls = [
     path(
         'contact/',
         include([
-            re_path(
-                r'^(?P<pk>\d+)/?',
+            path(
+                '<int:pk>/',
                 include([
                     path(
                         'metadata/',
diff --git a/src/backend/InvenTree/part/api.py b/src/backend/InvenTree/part/api.py
index 3faaccddfe..73f0c2f559 100644
--- a/src/backend/InvenTree/part/api.py
+++ b/src/backend/InvenTree/part/api.py
@@ -4,7 +4,7 @@ import functools
 import re
 
 from django.db.models import Count, F, Q
-from django.urls import include, path, re_path
+from django.urls import include, path
 from django.utils.translation import gettext_lazy as _
 
 from django_filters import rest_framework as rest_filters
@@ -2180,10 +2180,8 @@ part_api_urls = [
         'thumbs/',
         include([
             path('', PartThumbs.as_view(), name='api-part-thumbs'),
-            re_path(
-                r'^(?P<pk>\d+)/?',
-                PartThumbsUpdate.as_view(),
-                name='api-part-thumbs-update',
+            path(
+                '<int:pk>/', PartThumbsUpdate.as_view(), name='api-part-thumbs-update'
             ),
         ]),
     ),
diff --git a/src/backend/InvenTree/users/api.py b/src/backend/InvenTree/users/api.py
index 0c1b0fc7e0..48d5c04f46 100644
--- a/src/backend/InvenTree/users/api.py
+++ b/src/backend/InvenTree/users/api.py
@@ -4,7 +4,7 @@ import datetime
 
 from django.contrib.auth import get_user, login
 from django.contrib.auth.models import Group, User
-from django.urls import include, path, re_path
+from django.urls import include, path
 from django.views.decorators.csrf import ensure_csrf_cookie
 from django.views.generic.base import RedirectView
 
@@ -395,12 +395,10 @@ user_urls = [
     path(
         'group/',
         include([
-            re_path(
-                r'^(?P<pk>[0-9]+)/?$', GroupDetail.as_view(), name='api-group-detail'
-            ),
+            path('<int:pk>/', GroupDetail.as_view(), name='api-group-detail'),
             path('', GroupList.as_view(), name='api-group-list'),
         ]),
     ),
-    re_path(r'^(?P<pk>[0-9]+)/?$', UserDetail.as_view(), name='api-user-detail'),
+    path('<int:pk>/', UserDetail.as_view(), name='api-user-detail'),
     path('', UserList.as_view(), name='api-user-list'),
 ]