diff --git a/.eslintrc.js b/.eslintrc.js
index e625c42dd..50e21abcf 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -11,7 +11,7 @@ module.exports = {
     SharedArrayBuffer: 'readonly'
   },
   parserOptions: {
-    ecmaVersion: 2018
+    ecmaVersion: 2020
   },
   ignorePatterns: ['assets/', 'dist/', 'node_modules/'],
   rules: {
diff --git a/src/drivers/bitbucket_cloud.js b/src/drivers/bitbucket_cloud.js
index 27abb9c89..2316fe1c1 100644
--- a/src/drivers/bitbucket_cloud.js
+++ b/src/drivers/bitbucket_cloud.js
@@ -380,7 +380,7 @@ class BitbucketCloud {
       // from BitBucket API responses: `{"error": {"message": "Error message"}}` and
       // `{"error": "Error message"}`, apart from plain text responses like `Bad Request`.
       const error =
-        responseBody.error.message || responseBody.error || responseBody;
+        responseBody?.error?.message || responseBody?.error || responseBody;
       throw new Error(`${response.statusText} ${error}`.trim());
     }
 
diff --git a/src/drivers/bitbucket_cloud.test.js b/src/drivers/bitbucket_cloud.test.js
index 594159615..435314636 100644
--- a/src/drivers/bitbucket_cloud.test.js
+++ b/src/drivers/bitbucket_cloud.test.js
@@ -29,9 +29,9 @@ describe('Non Enviromental tests', () => {
 
   test('Publish', async () => {
     const path = `${__dirname}/../../assets/logo.png`;
-    await expect(client.upload({ path })).rejects.toThrow(
-      'Bitbucket Cloud does not support upload!'
-    );
+    const { uri } = await client.upload({ path });
+
+    expect(uri).not.toBeUndefined();
   });
 
   test('Runner token', async () => {