Android Question Warning of deactivation of SHA1withDSA keystore in the near future

Hello,
I made a app with B4A two years ago. Now when verifying the signature of the program with jdk, this warning is displayed:
The certificate uses the SHA1 with DSA signature algorithm which is considered a security risk. This algorithm will be disabled in a future update.
The certificate uses a 1024-bit DSA key which is considered a security risk. This key size will be disabled in a future update.

Does this mean I won't be able to update my app in the future?
My app has 10 million users and this warning worries me, what should I do?
 
Thank you, Erle, I feel a little relieved.
In the future, it is possible that Google Protect will define my app as a virus because of the weakness of the key store?
Is it possible to repair the keystore and make its algorithm more powerful?
 
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