Note: 4.0.2 is broken, if you downloaded it, skip it to go to 4.0.3.
Suricata (Stable) version is 4.0.3 released December 6, 2017.
- Linux/Mac/FreeBSD/UNIX/Windows Source: suricata-4.0.3.tar.gz
- PGP Signature: suricata-4.0.3.tar.gz.sig
- Windows (win32) installer: Suricata-4.0.3-1-32bits.msi
Older releases can be found here http://downloads.suricata-ids.org/
Suricata bundles the latest libhtp. See https://github.com/OISF/libhtp/releases