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