diff --git a/CHANGES b/CHANGES
index 7867c334e8..a9958547e7 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+3802.	[bug]		Various header files were not being installed.
+
 3801.	[port]		Fix probing for gssapi support on FreeBSD. [RT #35615]
 
 3799.	[bug]		Improve named's command line error reporting.
diff --git a/lib/dns/include/dns/Makefile.in b/lib/dns/include/dns/Makefile.in
index bd41815da0..99bf86b546 100644
--- a/lib/dns/include/dns/Makefile.in
+++ b/lib/dns/include/dns/Makefile.in
@@ -21,18 +21,22 @@ top_srcdir =	@top_srcdir@
 
 @BIND9_VERSION@
 
-HEADERS =	acl.h adb.h byaddr.h cache.h callbacks.h cert.h \
+HEADERS =	acache.h acl.h adb.h bit.h byaddr.h cache.h callbacks.h cert.h \
 		client.h compress.h \
-		db.h dbiterator.h dbtable.h diff.h dispatch.h dlz.h \
-		dnssec.h ds.h events.h fixedname.h iptable.h journal.h \
-		keyflags.h keytable.h keyvalues.h lib.h log.h \
-		master.h masterdump.h message.h name.h ncache.h nsec.h \
-		peer.h portlist.h private.h rbt.h rcode.h \
-		rdata.h rdataclass.h rdatalist.h rdataset.h rdatasetiter.h \
-		rdataslab.h rdatatype.h request.h resolver.h result.h \
-		rootns.h rpz.h sdb.h sdlz.h secalg.h secproto.h soa.h ssu.h \
-		tcpmsg.h time.h tkey.h tsec.h tsig.h ttl.h types.h \
-		validator.h version.h view.h xfrin.h zone.h zonekey.h zt.h
+		db.h dbiterator.h dbtable.h diff.h dispatch.h \
+		dlz.h dlz_dlopen.h dns64.h dnssec.h ds.h \
+		ecdb.h events.h fixedname.h forward.h iptable.h \
+		journal.h keydata.h keyflags.h keytable.h keyvalues.h \
+		lib.h lookup.h log.h master.h masterdump.h message.h \
+		name.h nsec3.h ncache.h nsec.h opcode.h \
+		peer.h portlist.h private.h \
+		rbt.h rcode.h rdata.h rdataclass.h rdatalist.h \
+		rdataset.h rdatasetiter.h rdataslab.h rdatatype.h request.h \
+		resolver.h result.h rootns.h rpz.h rriterator.h \
+		sdb.h sdlz.h secalg.h secproto.h soa.h ssu.h stats.h \
+		tcpmsg.h time.h timer.h tkey.h tsec.h tsig.h ttl.h types.h \
+		validator.h version.h view.h xfrin.h \
+		zone.h zonekey.h zt.h
 
 GENHEADERS =	enumclass.h enumtype.h rdatastruct.h
 
diff --git a/lib/isc/include/isc/Makefile.in b/lib/isc/include/isc/Makefile.in
index 3b2b0369c1..bcd97e42d1 100644
--- a/lib/isc/include/isc/Makefile.in
+++ b/lib/isc/include/isc/Makefile.in
@@ -26,20 +26,21 @@ top_srcdir =	@top_srcdir@
 # machine generated.  The latter are handled specially in the
 # install target below.
 #
-HEADERS =	app.h assertions.h base64.h bind9.h bitstring.h boolean.h \
-		buffer.h bufferlist.h commandline.h entropy.h error.h event.h \
+HEADERS =	app.h assertions.h backtrace.h base32.h base64.h \
+		bind9.h boolean.h buffer.h bufferlist.h \
+		commandline.h entropy.h error.h event.h \
 		eventclass.h file.h formatcheck.h fsaccess.h \
 		hash.h heap.h hex.h hmacmd5.h hmacsha.h \
 		httpd.h \
 		interfaceiter.h @ISC_IPV6_H@ iterated_hash.h lang.h lex.h \
 		lfsr.h lib.h list.h log.h \
 		magic.h md5.h mem.h msgcat.h msgs.h mutexblock.h \
-		namespace.h netaddr.h ondestroy.h os.h parseint.h \
-		print.h quota.h radix.h random.h ratelimiter.h \
-		refcount.h regex.h region.h resource.h \
-		result.h resultclass.h rwlock.h safe.h serial.h sha1.h sha2.h \
-		sockaddr.h socket.h stdio.h stdlib.h string.h \
-		symtab.h \
+		netaddr.h netscope.h ondestroy.h os.h parseint.h \
+		portset.h print.h quota.h \
+		radix.h random.h ratelimiter.h refcount.h regex.h \
+		region.h resource.h result.h resultclass.h rwlock.h \
+		safe.h serial.h sha1.h sha2.h sockaddr.h socket.h \
+		stats.h stdio.h stdlib.h string.h symtab.h \
 	        task.h taskpool.h timer.h types.h util.h version.h \
 		xml.h
 
diff --git a/lib/isc/unix/include/isc/Makefile.in b/lib/isc/unix/include/isc/Makefile.in
index 6acad0067a..df2c3b3d0d 100644
--- a/lib/isc/unix/include/isc/Makefile.in
+++ b/lib/isc/unix/include/isc/Makefile.in
@@ -22,7 +22,7 @@ top_srcdir =	@top_srcdir@
 @BIND9_VERSION@
 
 HEADERS =	dir.h int.h net.h netdb.h offset.h stat.h stdtime.h \
-		syslog.h time.h
+		strerror.h syslog.h time.h
 
 SUBDIRS =
 TARGETS =
diff --git a/lib/isccfg/include/isccfg/Makefile.in b/lib/isccfg/include/isccfg/Makefile.in
index 211583a5f1..a4529821ff 100644
--- a/lib/isccfg/include/isccfg/Makefile.in
+++ b/lib/isccfg/include/isccfg/Makefile.in
@@ -26,7 +26,8 @@ top_srcdir =	@top_srcdir@
 # machine generated.  The latter are handled specially in the
 # install target below.
 #
-HEADERS =	aclconf.h cfg.h grammar.h log.h namedconf.h version.h
+HEADERS =	aclconf.h cfg.h dnsconf.h grammar.h log.h namedconf.h \
+		version.h
 
 SUBDIRS =
 TARGETS =
diff --git a/lib/lwres/include/lwres/Makefile.in b/lib/lwres/include/lwres/Makefile.in
index 36b8b03d5d..6b1280f3f9 100644
--- a/lib/lwres/include/lwres/Makefile.in
+++ b/lib/lwres/include/lwres/Makefile.in
@@ -24,8 +24,8 @@ top_srcdir =	@top_srcdir@
 # machine generated.  The latter are handled specially in the
 # install target below.
 #
-HEADERS =	context.h lwbuffer.h lwpacket.h lwres.h result.h \
-		int.h lang.h list.h ipv6.h version.h
+HEADERS =	context.h int.h ipv6.h lang.h list.h lwbuffer.h lwpacket.h \
+		lwres.h result.h stdlib.h version.h
 
 SUBDIRS =
 TARGETS =