diff --git a/build.mk b/build.mk
index 695511b..3bc460b 100644
--- a/build.mk
+++ b/build.mk
@@ -158,4 +158,6 @@
 $(eval $(call CONFIG_TARGETS))
 $(eval $(call USER_TARGETS))
 
+$(eval $(call USER_DEPENDENCY_RULES))
+
 -include $(ALLOBJS:%.o=%.d)