diff --git a/Makefile.in b/Makefile.in
index 2f7e528..88c99ff 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -77,12 +77,11 @@ dhcp6relay: $(RELAYOBJS) $(LIBOBJS)
 dhcp6ctl: $(CTLOBJS)
 	$(CC) $(LDFLAGS) -o $@ $(CTLOBJS) $(LIBOBJS) $(LIBS)
 
-cfparse.c: y.tab.h
-y.tab.h: cfparse.y
+cfparse.c: cfparse.y
 	@YACC@ -d cfparse.y
 	mv y.tab.c cfparse.c
 
-cftoken.c: cftoken.l y.tab.h
+cftoken.c: cftoken.l cfparse.c
 	@LEX@ cftoken.l
 	mv lex.yy.c $@