diff --git a/Makefile b/Makefile
index ccffd4adc593..a7332eb89ac5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 #
-#	$Id: Makefile,v 1.110 1996/11/26 03:26:31 ache Exp $
+#	$Id: Makefile,v 1.111 1996/12/20 08:18:47 asami Exp $
 #
 # Make command line options:
 #	-DCLOBBER will remove /usr/include
@@ -438,6 +438,8 @@ lib-tools:
 		${MAKE} ${MK_FLAGS} all install ${CLEANDIR} ${OBJDIR}
 	cd ${.CURDIR}/usr.bin/lex/lib && ${MAKE} depend && \
 		${MAKE} ${MK_FLAGS} all install ${CLEANDIR} ${OBJDIR}
+	cd ${.CURDIR}/usr.bin/yacc && ${MAKE} depend && \
+		${MAKE} ${MK_FLAGS} all install ${CLEANDIR} ${OBJDIR}
 	cd ${.CURDIR}/usr.bin/compile_et && ${MAKE} depend && \
 		${MAKE} ${MK_FLAGS} all install ${CLEANDIR} ${OBJDIR} && \
 		rm -f /usr/sbin/compile_et