Downgrade to OTP 22.x or get Hackney from master. See Fixed ssl connection issue on OTP23 rc2 by soranoba · Pull Request #619 · benoitc/hackney · GitHub
Downgrade to OTP 22.x or get Hackney from master. See Fixed ssl connection issue on OTP23 rc2 by soranoba · Pull Request #619 · benoitc/hackney · GitHub