diff --git a/.changelog-pending/2026-09-24T14-13-55-e2873c2f2c846fa33dcbdadaba761c23faaf2cbd.md b/.changelog-pending/2026-09-24T14-13-55-e2873c2f2c846fa33dcbdadaba761c23faaf2cbd.md
new file mode 100644
index 00000000..bd7c55aa
--- /dev/null
+++ b/.changelog-pending/2026-09-24T14-13-55-e2873c2f2c846fa33dcbdadaba761c23faaf2cbd.md
@@ -0,0 +1,6 @@
+* [#447](https://github.com/workos/workos-php/pull/447) feat(generated): regenerate from spec
+
+  **Features**
+  * **[user_management](https://workos.com/docs/reference/authkit/user)**:
+    * Added model `UserRoleAssignmentSourceGroup`
+    * Added `group` to `UserRoleAssignmentSource`
diff --git a/.last-synced-sha b/.last-synced-sha
index b7efc9db..89fbe35a 100644
--- a/.last-synced-sha
+++ b/.last-synced-sha
@@ -1 +1 @@
-13ba15b32754d2d635b7799ab779867df2b611d6
+6f037208ce812063908f97744b4aaf4fdf570351
diff --git a/.oagen-manifest.json b/.oagen-manifest.json
index d73f28ef..07a40923 100644
--- a/.oagen-manifest.json
+++ b/.oagen-manifest.json
@@ -642,6 +642,7 @@
     "lib/Resource/UserRoleAssignment.php",
     "lib/Resource/UserRoleAssignmentResource.php",
     "lib/Resource/UserRoleAssignmentSource.php",
+    "lib/Resource/UserRoleAssignmentSourceGroup.php",
     "lib/Resource/UserRoleAssignmentSourceType.php",
     "lib/Resource/UserSessionsAuthMethod.php",
     "lib/Resource/UserSessionsImpersonator.php",
@@ -1336,6 +1337,7 @@
     "tests/Fixtures/user_role_assignment.json",
     "tests/Fixtures/user_role_assignment_resource.json",
     "tests/Fixtures/user_role_assignment_source.json",
+    "tests/Fixtures/user_role_assignment_source_group.json",
     "tests/Fixtures/user_sessions_impersonator.json",
     "tests/Fixtures/user_sessions_list_item.json",
     "tests/Fixtures/user_updated.json",
diff --git a/lib/Resource/UserRoleAssignmentSource.php b/lib/Resource/UserRoleAssignmentSource.php
index d8dcd5d5..4b059c93 100644
--- a/lib/Resource/UserRoleAssignmentSource.php
+++ b/lib/Resource/UserRoleAssignmentSource.php
@@ -16,6 +16,8 @@ public function __construct(
         public UserRoleAssignmentSourceType $type,
         /** The ID of the group role assignment the role was derived from, or null if direct. */
         public ?string $groupRoleAssignmentId,
+        /** The group the role was derived from, or null if direct. */
+        public ?UserRoleAssignmentSourceGroup $group,
     ) {
     }
 
@@ -24,6 +26,7 @@ public static function fromArray(array $data): self
         return new self(
             type: UserRoleAssignmentSourceType::from($data['type']),
             groupRoleAssignmentId: $data['group_role_assignment_id'] ?? null,
+            group: isset($data['group']) ? UserRoleAssignmentSourceGroup::fromArray($data['group']) : null,
         );
     }
 
@@ -32,6 +35,7 @@ public function toArray(): array
         return [
             'type' => $this->type->value,
             'group_role_assignment_id' => $this->groupRoleAssignmentId,
+            'group' => $this->group?->toArray(),
         ];
     }
 }
diff --git a/lib/Resource/UserRoleAssignmentSourceGroup.php b/lib/Resource/UserRoleAssignmentSourceGroup.php
new file mode 100644
index 00000000..613396c6
--- /dev/null
+++ b/lib/Resource/UserRoleAssignmentSourceGroup.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+// This file is auto-generated by oagen. Do not edit.
+
+namespace WorkOS\Resource;
+
+readonly class UserRoleAssignmentSourceGroup implements \JsonSerializable
+{
+    use JsonSerializableTrait;
+
+    public function __construct(
+        /** The unique ID of the Group the role was derived from. */
+        public string $id,
+        /** The name of the Group the role was derived from. */
+        public string $name,
+    ) {
+    }
+
+    public static function fromArray(array $data): self
+    {
+        return new self(
+            id: $data['id'],
+            name: $data['name'],
+        );
+    }
+
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->id,
+            'name' => $this->name,
+        ];
+    }
+}
diff --git a/tests/Fixtures/list_user_role_assignment.json b/tests/Fixtures/list_user_role_assignment.json
index ac0737ac..a4339b6e 100644
--- a/tests/Fixtures/list_user_role_assignment.json
+++ b/tests/Fixtures/list_user_role_assignment.json
@@ -14,7 +14,8 @@
       },
       "source": {
         "type": "direct",
-        "group_role_assignment_id": null
+        "group_role_assignment_id": null,
+        "group": null
       },
       "created_at": "2026-01-15T12:00:00.000Z",
       "updated_at": "2026-01-15T12:00:00.000Z"
diff --git a/tests/Fixtures/user_role_assignment.json b/tests/Fixtures/user_role_assignment.json
index ae717059..ae7557b5 100644
--- a/tests/Fixtures/user_role_assignment.json
+++ b/tests/Fixtures/user_role_assignment.json
@@ -12,7 +12,8 @@
   },
   "source": {
     "type": "direct",
-    "group_role_assignment_id": null
+    "group_role_assignment_id": null,
+    "group": null
   },
   "created_at": "2026-01-15T12:00:00.000Z",
   "updated_at": "2026-01-15T12:00:00.000Z"
diff --git a/tests/Fixtures/user_role_assignment_source.json b/tests/Fixtures/user_role_assignment_source.json
index 2cdf69f3..047cbccc 100644
--- a/tests/Fixtures/user_role_assignment_source.json
+++ b/tests/Fixtures/user_role_assignment_source.json
@@ -1,4 +1,5 @@
 {
   "type": "direct",
-  "group_role_assignment_id": null
+  "group_role_assignment_id": null,
+  "group": null
 }
diff --git a/tests/Fixtures/user_role_assignment_source_group.json b/tests/Fixtures/user_role_assignment_source_group.json
new file mode 100644
index 00000000..ab425e71
--- /dev/null
+++ b/tests/Fixtures/user_role_assignment_source_group.json
@@ -0,0 +1,4 @@
+{
+  "id": "group_01HXYZ123456789ABCDEFGHIJ",
+  "name": "Marketing team"
+}