diff --git a/authentik/enterprise/requests/api/grant_requests.py b/authentik/enterprise/requests/api/grant_requests.py
index f248e5e073..577866ece6 100644
--- a/authentik/enterprise/requests/api/grant_requests.py
+++ b/authentik/enterprise/requests/api/grant_requests.py
@@ -94,8 +94,8 @@ def _binding_default(field_name: str) -> timedelta:
 class GrantRequestSerializer(EnterpriseRequiredMixin, ModelSerializer):
 
     created_by = PartialUserSerializer(read_only=True)
-    revoked_by = PartialUserSerializer(read_only=True)
-    agent_owner = PartialUserSerializer(read_only=True)
+    revoked_by = PartialUserSerializer(read_only=True, allow_null=True)
+    agent_owner = PartialUserSerializer(read_only=True, allow_null=True)
     is_active = BooleanField(read_only=True)
 
     target_objs = SerializerMethodField()
diff --git a/packages/client-ts/src/models/GrantRequest.ts b/packages/client-ts/src/models/GrantRequest.ts
index f8c1677af7..69d1f4d273 100644
--- a/packages/client-ts/src/models/GrantRequest.ts
+++ b/packages/client-ts/src/models/GrantRequest.ts
@@ -55,13 +55,13 @@ export interface GrantRequest {
      * @type {PartialUser}
      * @memberof GrantRequest
      */
-    readonly revokedBy: PartialUser;
+    readonly revokedBy: PartialUser | null;
     /**
      *
      * @type {PartialUser}
      * @memberof GrantRequest
      */
-    readonly agentOwner: PartialUser;
+    readonly agentOwner: PartialUser | null;
     /**
      *
      * @type {boolean}
diff --git a/schema.yml b/schema.yml
index f7fe71c56c..e853d12c34 100644
--- a/schema.yml
+++ b/schema.yml
@@ -42366,10 +42366,12 @@ components:
           allOf:
           - $ref: '#/components/schemas/PartialUser'
           readOnly: true
+          nullable: true
         agent_owner:
           allOf:
           - $ref: '#/components/schemas/PartialUser'
           readOnly: true
+          nullable: true
         is_active:
           type: boolean
           readOnly: true