diff --git a/technic_worldgen/mod.conf b/technic_worldgen/mod.conf
index 49988f5..a25f8d7 100644
--- a/technic_worldgen/mod.conf
+++ b/technic_worldgen/mod.conf
@@ -1,3 +1,3 @@
 name = technic_worldgen
 depends = default, basic_materials
-optional_depends = intllib, mg, doors, farming, glooptest, mesecons_doors, vessels
+optional_depends = intllib, mg, doors, farming, glooptest, mesecons_doors, vessels, underch