diff --git a/authentik/core/api/users.py b/authentik/core/api/users.py
index 9fc51ebeb..7177aaa51 100644
--- a/authentik/core/api/users.py
+++ b/authentik/core/api/users.py
@@ -20,6 +20,7 @@ from rest_framework.serializers import (
     BooleanField,
     ListSerializer,
     ModelSerializer,
+    PrimaryKeyRelatedField,
     Serializer,
     ValidationError,
 )
@@ -33,7 +34,7 @@ from authentik.core.api.groups import GroupSerializer
 from authentik.core.api.used_by import UsedByMixin
 from authentik.core.api.utils import LinkSerializer, PassiveSerializer, is_dict
 from authentik.core.middleware import SESSION_IMPERSONATE_ORIGINAL_USER, SESSION_IMPERSONATE_USER
-from authentik.core.models import Token, TokenIntents, User
+from authentik.core.models import Group, Token, TokenIntents, User
 from authentik.events.models import EventAction
 from authentik.stages.email.models import EmailStage
 from authentik.stages.email.tasks import send_mails
@@ -49,7 +50,10 @@ class UserSerializer(ModelSerializer):
     is_superuser = BooleanField(read_only=True)
     avatar = CharField(read_only=True)
     attributes = JSONField(validators=[is_dict], required=False)
-    groups = ListSerializer(child=GroupSerializer(), read_only=True, source="ak_groups")
+    groups = PrimaryKeyRelatedField(
+        allow_empty=False, many=True, source="ak_groups", queryset=Group.objects.all()
+    )
+    groups_obj = ListSerializer(child=GroupSerializer(), read_only=True, source="ak_groups")
     uid = CharField(read_only=True)
 
     class Meta:
@@ -63,6 +67,7 @@ class UserSerializer(ModelSerializer):
             "last_login",
             "is_superuser",
             "groups",
+            "groups_obj",
             "email",
             "avatar",
             "attributes",
diff --git a/schema.yml b/schema.yml
index ecb6f8ca8..7d00e2d5a 100644
--- a/schema.yml
+++ b/schema.yml
@@ -27634,6 +27634,11 @@ components:
           type: string
           format: date-time
           nullable: true
+        groups:
+          type: array
+          items:
+            type: string
+            format: uuid
         email:
           type: string
           format: email
@@ -29808,6 +29813,11 @@ components:
           type: boolean
           readOnly: true
         groups:
+          type: array
+          items:
+            type: string
+            format: uuid
+        groups_obj:
           type: array
           items:
             $ref: '#/components/schemas/Group'
@@ -29829,6 +29839,7 @@ components:
       required:
       - avatar
       - groups
+      - groups_obj
       - is_superuser
       - name
       - pk
@@ -30105,6 +30116,11 @@ components:
           type: string
           format: date-time
           nullable: true
+        groups:
+          type: array
+          items:
+            type: string
+            format: uuid
         email:
           type: string
           format: email
@@ -30114,6 +30130,7 @@ components:
           type: object
           additionalProperties: {}
       required:
+      - groups
       - name
       - username
     UserSelf: