diff --git a/smart-contract/assembly/__tests__/deweb-interface/ownership.spec.ts b/smart-contract/assembly/__tests__/deweb-interface/ownership.spec.ts
new file mode 100644
index 0000000..3c2d6b4
--- /dev/null
+++ b/smart-contract/assembly/__tests__/deweb-interface/ownership.spec.ts
@@ -0,0 +1,44 @@
+import { Args } from '@massalabs/as-types';
+import {
+  Address,
+  get,
+  getKeys,
+  resetStorage,
+  setDeployContext,
+} from '@massalabs/massa-as-sdk';
+import {
+  constructor,
+  transferOwnership,
+} from '../../contracts/deweb-interface';
+import { OWNER_KEY } from '@massalabs/sc-standards/assembly/contracts/utils/ownership-internal';
+
+const user1 = new Address(
+  'AU12UBnqTHDQALpocVBnkPNy7y5CndUJQTLutaVDDFgMJcq5kQiKq',
+);
+const user2 = new Address(
+  'AU1Sxv7v8KZtYQHvAq1V8fB5z3QJ1Q5t7ccDeASEgbLPmMn4SVO1P',
+);
+
+describe('Ownership', () => {
+  beforeEach(() => {
+    resetStorage();
+    setDeployContext(user1.toString());
+    constructor(new Args().serialize());
+  });
+
+  test('transfer ownership', () => {
+    transferOwnership(new Args().add(user2).serialize());
+
+    const owner = get(OWNER_KEY);
+
+    expect(owner).toStrictEqual(user2.toString(), 'Owner should be user2');
+  });
+
+  test('renounce ownership', () => {
+    transferOwnership(new Args().serialize());
+
+    const owner = get(OWNER_KEY);
+
+    expect(owner).toHaveLength(0, 'Owner should be empty');
+  });
+});
diff --git a/smart-contract/assembly/contracts/deweb-interface.ts b/smart-contract/assembly/contracts/deweb-interface.ts
index 417f41c..068afbf 100644
--- a/smart-contract/assembly/contracts/deweb-interface.ts
+++ b/smart-contract/assembly/contracts/deweb-interface.ts
@@ -1,4 +1,5 @@
 import {
+  Address,
   balance,
   Context,
   generateEvent,
@@ -45,6 +46,24 @@ export function constructor(_: StaticArray<u8>): void {
   _setOwner(Context.caller().toString());
 }
 
+/**
+ * Change the owner of the smart contract to the address passed as an argument
+ * @param _binaryArgs - serialized arguments containing the new owner address
+ * @returns void
+ */
+export function transferOwnership(_binaryArgs: StaticArray<u8>): void {
+  _onlyOwner();
+
+  const args = new Args(_binaryArgs);
+  const newOwnerResult = args.nextSerializable<Address>();
+
+  const newOwner = newOwnerResult.isOk()
+    ? newOwnerResult.unwrap().toString()
+    : '';
+
+  _setOwner(newOwner);
+}
+
 /* -------------------------------------------------------------------------- */
 /*                             FILE INITIALIZATION                            */
 /* -------------------------------------------------------------------------- */