# Preparing for future updates
Calysto World works a lot with databases to speed up your workflow but it's easy to lose it during an update if you work on the original database. For that reason, this will work with composite databases and is easy to use.
1. Go into Calysto/World/Data
2. Duplicate DT\_Biome and rename the biomes. (it's important otherwise Calysto World will not see them, every name must be unique), DT\_VirtualTexture and DT\_RiverAudio
3. Open CDT\_AllBiomes and **add** your new DT\_Biome duplicate to it
4. Open CDT\_AllRiverAudio and replace the current audio with your copy of DT\_RiverAudio
5. Keep your duplicate in a folder outside of Calysto/World in case updating overrides the folder.
On each update, all you will have to do is steps 3 to 6, and you are sure to never lose your database.
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