Upgrade from 1.1.6 to 1.1.7 problems

Hello,
I am running Ubuntu 20.04
I followed the upgrade procedure at INSTALL · Chia-Network/chia-blockchain Wiki · GitHub, nevertheless I now find myself with version 1.1.8.dev0

I tried to delete package-lock.json and to restart the install again but I always get the 1.1.8.dev0.
I want the 1.1.7, how can I get it?

Cheers
Luca

Delete the package-lock.json file from the chia-blockchain-gui folder. Then rerun the install script:

cd ~/chia-blockchain/chia-blockchain-gui
rm package-lock.json
cd ~/chia-blockchain
sh install.sh

Thanks for your answer. I tried this but it didn’t work.
I deleted package-lock.json, but it still install version 1.1.8.dev0

When I do a

If I do a clean install, is there a way to save the keys and reinstall them later?