Debian maintainer Pierre Chifflier updated the Suricata and libhtp packages in Debian Sid to 1.3.4 and 0.2.11.
If you are running Debian Sid, updating is as simple as:
apt-get update && apt-get upgrade
Installing is as simple as:
apt-get update && apt-get install suricata
The Debian package has IPS mode through NFQUEUE enabled.