You could use a paver sealer/ sand stabilizer.
https://www.homedepot.com/p/Glaze-N-Seal-1-gal-Clear-Paver-Sealer-and-Sand-Stabilizer-153/206309547
https://www.homedepot.com/p/Glaze-N-Seal-1-gal-Clear-Paver-Sealer-and-Sand-Stabilizer-153/206309547