Another missing dependency
diff --git a/Makefile b/Makefile
index 1e29eeb..fd53cda 100644
--- a/Makefile
+++ b/Makefile
@@ -161,3 +161,6 @@
 
 cache.o: cache.c gen/cache.c $(HDRS)
 cache.lo: cache.c gen/cache.c $(HDRS)
+
+gen/ucdversion.o: gen/ucdversion.c $(HDRS)
+gen/ucdversion.lo: gen/ucdversion.c $(HDRS)