diff --git a/lib/libunbound/Makefile b/lib/libunbound/Makefile
index c2a30db0d73..9814ac63b16 100644
--- a/lib/libunbound/Makefile
+++ b/lib/libunbound/Makefile
@@ -16,7 +16,7 @@ CFLAGS+= -I${UNBOUNDDIR} -I${LDNSDIR} -I${.OBJDIR}
 
 SRCS=	alloc.c as112.c authzone.c autotrust.c cachedb.c config_file.c \
 	configlexer.l configparser.y context.c dname.c dns.c dns64.c \
-	dnstree.c fptr_wlist.c infra.c iter_delegpt.c iter_donotq.c \
+	dnstree.c edns.c fptr_wlist.c infra.c iter_delegpt.c iter_donotq.c \
 	iter_fwd.c iter_hints.c iter_priv.c iter_resptype.c iter_scrub.c \
 	iter_utils.c iterator.c keyraw.c libunbound.c libworker.c \
 	listen_dnsport.c localzone.c locks.c log.c lookup3.c lruhash.c \
@@ -24,10 +24,10 @@ SRCS=	alloc.c as112.c authzone.c autotrust.c cachedb.c config_file.c \
 	msgreply.c net_help.c netevent.c outbound_list.c outside_network.c \
 	packed_rrset.c parse.c parseutil.c random.c rbtree.c redis.c \
 	regional.c respip.c rrdef.c rrset.c rtt.c sbuffer.c slabhash.c \
-	str2wire.c timehist.c tube.c ub_event_pluggable.c val_anchor.c \
-	val_kcache.c val_kentry.c val_neg.c val_nsec.c val_nsec3.c \
-	val_secalgo.c val_sigcrypt.c val_utils.c validator.c view.c \
-	winsock_event.c wire2str.c
+	str2wire.c tcp_conn_limit.c timehist.c tube.c ub_event_pluggable.c \
+	val_anchor.c val_kcache.c val_kentry.c val_neg.c val_nsec.c \
+	val_nsec3.c val_secalgo.c val_sigcrypt.c val_utils.c validator.c \
+	view.c winsock_event.c wire2str.c
 
 WARNS?=	3
 NO_WTHREAD_SAFETY= true