upgrade your shelter and sleeping supplies
dedicated water filter and transport to redundancy
MRE entrees with heaters for a couple of weeks
alternate transport...mountain bikes with tire repair tools, heavy duty racks and panniers...bike rack
upgrade your travel clothing, footwear
redefine or reconfigure your GHB packs if necessary...I assume you have minimum of water/first aid/navigation/fire making equipment already on board...expect trekking accidents..additional elastic wrap, foot powder etc
long gun like Savage 24C .22lr over 20ga (slugs) for foraging and protection
rugged solar array for recharging Nimh cells for LED head and hand held lights....or redundant lithium cells
Kernmantle and precut line for improvised Ranger/SF Swiss seat with locking carabiners, heavy duty leather gloves
have a safe trip