diff --git a/dns/bind916/files/extrapatch-bind-min-override-ttl b/dns/bind916/files/extrapatch-bind-min-override-ttl
index 36e82c339d80..1dce8f15d7d6 100644
--- a/dns/bind916/files/extrapatch-bind-min-override-ttl
+++ b/dns/bind916/files/extrapatch-bind-min-override-ttl
@@ -1,61 +1,61 @@
 Add the override-cache-ttl feature.
 
---- bin/named/config.c.orig	2021-06-08 10:45:10 UTC
+--- bin/named/config.c.orig	2021-07-09 08:02:03 UTC
 +++ bin/named/config.c
 @@ -180,6 +180,7 @@ options {\n\
  	notify-source *;\n\
  	notify-source-v6 *;\n\
  	nsec3-test-zone no;\n\
 +	override-cache-ttl 0; /* do not override */\n\
+ 	parental-source *;\n\
+ 	parental-source-v6 *;\n\
  	provide-ixfr true;\n\
- 	qname-minimization relaxed;\n\
- 	query-source address *;\n\
---- bin/named/server.c.orig	2021-06-08 10:45:10 UTC
+--- bin/named/server.c.orig	2021-07-09 08:02:03 UTC
 +++ bin/named/server.c
-@@ -4364,6 +4364,11 @@ configure_view(dns_view_t *view, dns_viewlist_t *viewl
+@@ -4406,6 +4406,11 @@ configure_view(dns_view_t *view, dns_viewlist_t *viewl
  	}
  
  	obj = NULL;
 +	result = named_config_get(maps, "override-cache-ttl", &obj);
 +	INSIST(result == ISC_R_SUCCESS);
 +	view->overridecachettl = cfg_obj_asduration(obj);
 +
 +	obj = NULL;
  	result = named_config_get(maps, "max-cache-ttl", &obj);
  	INSIST(result == ISC_R_SUCCESS);
  	view->maxcachettl = cfg_obj_asduration(obj);
---- lib/dns/include/dns/view.h.orig	2021-06-08 10:45:10 UTC
+--- lib/dns/include/dns/view.h.orig	2021-07-09 08:02:03 UTC
 +++ lib/dns/include/dns/view.h
 @@ -152,6 +152,7 @@ struct dns_view {
  	bool		      requestnsid;
  	bool		      sendcookie;
  	dns_ttl_t	      maxcachettl;
 +	dns_ttl_t	      overridecachettl;
  	dns_ttl_t	      maxncachettl;
  	dns_ttl_t	      mincachettl;
  	dns_ttl_t	      minncachettl;
---- lib/dns/resolver.c.orig	2021-06-08 10:45:10 UTC
+--- lib/dns/resolver.c.orig	2021-07-09 08:02:03 UTC
 +++ lib/dns/resolver.c
 @@ -6476,6 +6476,12 @@ cache_name(fetchctx_t *fctx, dns_name_t *name, dns_mes
  		}
  
  		/*
 +		 * Enforce the configure cache TTL override.
 +		 */
 +                if (res->view->overridecachettl)
 +                        rdataset->ttl = res->view->overridecachettl;
 +
 +		/*
  		 * Enforce the configure maximum cache TTL.
  		 */
  		if (rdataset->ttl > res->view->maxcachettl) {
---- lib/isccfg/namedconf.c.orig	2021-06-08 10:45:10 UTC
+--- lib/isccfg/namedconf.c.orig	2021-07-09 08:02:03 UTC
 +++ lib/isccfg/namedconf.c
-@@ -2047,6 +2047,7 @@ static cfg_clausedef_t view_clauses[] = {
+@@ -2048,6 +2048,7 @@ static cfg_clausedef_t view_clauses[] = {
  #endif /* ifdef HAVE_LMDB */
  	{ "max-acache-size", &cfg_type_sizenodefault, CFG_CLAUSEFLAG_OBSOLETE },
  	{ "max-cache-size", &cfg_type_sizeorpercent, 0 },
 +	{ "override-cache-ttl", &cfg_type_duration, 0 },
  	{ "max-cache-ttl", &cfg_type_duration, 0 },
  	{ "max-clients-per-query", &cfg_type_uint32, 0 },
  	{ "max-ncache-ttl", &cfg_type_duration, 0 },