diff --git a/libsrc/apple2/targetutil/Makefile.inc b/libsrc/apple2/targetutil/Makefile.inc
index 37fec5d39..edc4e852b 100644
--- a/libsrc/apple2/targetutil/Makefile.inc
+++ b/libsrc/apple2/targetutil/Makefile.inc
@@ -1,3 +1,5 @@
+DEPS += ../wrk/$(TARGET)/loader.d
+
 ../wrk/$(TARGET)/loader.o: $(SRCDIR)/targetutil/loader.s | ../wrk/$(TARGET)
 	$(ASSEMBLE_recipe)
 
diff --git a/libsrc/geos-apple/targetutil/Makefile.inc b/libsrc/geos-apple/targetutil/Makefile.inc
index ff9429691..84d65f955 100644
--- a/libsrc/geos-apple/targetutil/Makefile.inc
+++ b/libsrc/geos-apple/targetutil/Makefile.inc
@@ -1,3 +1,5 @@
+DEPS += ../wrk/$(TARGET)/convert.d
+
 ../wrk/$(TARGET)/convert.o: TARGET = apple2enh
 
 ../wrk/$(TARGET)/convert.o: $(SRCDIR)/targetutil/convert.c | ../wrk/$(TARGET)