How manually update ZAP proxy on Kali linux.

1) Download latest version https://github.com/zaproxy/zaproxy/wiki/Downloads

   * in my case it is ZAP_2.4.3_Linux.tar.gz

2) Untar it tar -xzvf ZAP_2.4.3_Linux.tar.gz

3) cd ZAP_2.4.3/
 
4) Copy new version over old : cp -Ra * /usr/share/zaproxy/