diff --git a/.github/workflows/build-npm-release.yml b/.github/workflows/build-npm-release.yml
index 908097a..5669b40 100644
--- a/.github/workflows/build-npm-release.yml
+++ b/.github/workflows/build-npm-release.yml
@@ -36,7 +36,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: folio-org/checkout@v2
+      - uses: folio-org/checkout@v4
         with:
           fetch-depth: 0
 
@@ -148,7 +148,7 @@ jobs:
           comment_title: Jest Unit Test Statistics
 
       - name: Publish Jest coverage report
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         if: always()
         with:
           name: jest-coverage-report
@@ -156,7 +156,7 @@ jobs:
           retention-days: 30
 
       - name: Publish yarn.lock
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         if: failure()
         with:
           name: yarn.lock
diff --git a/.github/workflows/build-npm.yml b/.github/workflows/build-npm.yml
index 1bae936..1204f19 100644
--- a/.github/workflows/build-npm.yml
+++ b/.github/workflows/build-npm.yml
@@ -32,7 +32,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: folio-org/checkout@v2
+      - uses: folio-org/checkout@v4
         with:
           fetch-depth: 0
 
@@ -102,7 +102,7 @@ jobs:
           comment_title: Jest Unit Test Statistics
 
       - name: Publish Jest coverage report
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         if: always()
         with:
           name: jest-coverage-report
@@ -110,7 +110,7 @@ jobs:
           retention-days: 30
 
       - name: Publish yarn.lock
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         if: failure()
         with:
           name: yarn.lock
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7d98672..091ef78 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change history for stripes-authoriy-components
 
+## [4.0.2] (IN PROGRESS)
+
+- [UISAUTCOMP-137](https://issues.folio.org/browse/UISAUTCOMP-137) Return also sub permissions in `useUserTenantPermissions`.
+
 ## [4.0.1] (https://github.com/folio-org/stripes-authority-components/tree/v4.0.1) (2024-04-02)
 
 - [UISAUTCOMP-111](https://issues.folio.org/browse/UISAUTCOMP-111) `useUsers` hook - add user ids to cache keys to fetch users when user ids change.
diff --git a/lib/queries/useUserTenantPermissions/useUserTenantPermissions.js b/lib/queries/useUserTenantPermissions/useUserTenantPermissions.js
index e921906..219e275 100644
--- a/lib/queries/useUserTenantPermissions/useUserTenantPermissions.js
+++ b/lib/queries/useUserTenantPermissions/useUserTenantPermissions.js
@@ -1,3 +1,4 @@
+import { useMemo } from 'react';
 import { useQuery } from 'react-query';
 
 import {
@@ -48,10 +49,31 @@ const useUserTenantPermissions = (
     },
   );
 
+  const tenantPermissions = data.permissionNames || INITIAL_DATA;
+
+  const flattenTenantPermissions = useMemo(() => {
+    const permSet = new Set();
+    const allPermissions = [];
+
+    tenantPermissions.forEach(perm => {
+      permSet.add(perm.permissionName);
+
+      perm.subPermissions?.forEach(subPermission => {
+        permSet.add(subPermission);
+      });
+    });
+
+    permSet.forEach(perm => {
+      allPermissions.push({ permissionName: perm });
+    });
+
+    return allPermissions;
+  }, [tenantPermissions]);
+
   return ({
     isFetching,
     isLoading,
-    userPermissions: data.permissionNames || INITIAL_DATA,
+    userPermissions: flattenTenantPermissions,
     totalRecords: data.totalRecords,
   });
 };
diff --git a/lib/queries/useUserTenantPermissions/useUserTenantPermissions.test.js b/lib/queries/useUserTenantPermissions/useUserTenantPermissions.test.js
index ca9d2e0..cf35aa9 100644
--- a/lib/queries/useUserTenantPermissions/useUserTenantPermissions.test.js
+++ b/lib/queries/useUserTenantPermissions/useUserTenantPermissions.test.js
@@ -21,7 +21,12 @@ const wrapper = ({ children }) => (
 );
 
 const response = {
-  permissionNames: [],
+  permissionNames: [
+    {
+      permissionName: 'permission-name1',
+      subPermissions: ['sub-permission1', 'sub-permission2'],
+    },
+  ],
   totalRecords: 0,
 };
 
@@ -57,4 +62,20 @@ describe('useUserTenantPermissions', () => {
     expect(setHeaderMock).toHaveBeenCalledWith('X-Okapi-Tenant', options.tenantId);
     expect(getMock).toHaveBeenCalledWith(`perms/users/${options.userId}/permissions`, expect.objectContaining({}));
   });
+
+  it('should also return sub permissions', async () => {
+    const options = {
+      userId: 'userId',
+      tenantId: 'tenantId',
+    };
+    const { result } = renderHook(() => useUserTenantPermissions(options), { wrapper });
+
+    await act(async () => !result.current.isLoading);
+
+    expect(result.current.userPermissions).toEqual([
+      { permissionName: 'permission-name1' },
+      { permissionName: 'sub-permission1' },
+      { permissionName: 'sub-permission2' },
+    ]);
+  });
 });
diff --git a/package.json b/package.json
index 12ec806..9e7afd6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@folio/stripes-authority-components",
-  "version": "4.0.1",
+  "version": "4.0.2",
   "description": "Component library for Stripes Authority modules",
   "repository": "https://github.com/folio-org/stripes-authority-components",
   "main": "index.js",