- debhelper (>= 12)
- autoconf
- automake
- ca-certificates
- dh-exec
- dpkg-dev (>= 1.17.14~)
- groff-base
- libbrotli-dev
- libgnutls28-dev
- libidn2-dev
- libkrb5-dev
- libldap2-dev
- libnghttp2-dev
- libnss3-dev
- libpsl-dev
- librtmp-dev (>= 2.4+20131018.git79459a2-3~)
- libssh2-1-dev
- libssl-dev (>= 1.1)
- libtool
- openssh-server
- python3:native
- python3-impacket
- quilt
- stunnel4
- zlib1g-dev