Failed to check for updates for extension Error

Hi, I installed nanobanana extension, and it works well. 

How ever below message shows up. and it's quite annoying. 

How can I solve this? 
```bash
✖ Failed to check for updates for extension                 │
│   "https://github.com/gemini-cli-extensions/nanobanana":    │
│   Request failed with status code 401   
```