diff --git a/dns/bind9-devel/Makefile b/dns/bind9-devel/Makefile
index 1e5f6c5a5371..f9e6d60f082e 100644
--- a/dns/bind9-devel/Makefile
+++ b/dns/bind9-devel/Makefile
@@ -31,8 +31,8 @@ LICENSE=	MPL
 LICENSE_FILE=	${WRKSRC}/COPYRIGHT
 
 # ISC releases things like 9.8.0-P1, which our versioning doesn't like
-ISCVERSION=	9.12.0a.2017.08.18
-HASH=		3303655
+ISCVERSION=	9.12.0a.2017.08.26
+HASH=		503223b
 
 USES=	cpe libedit
 
diff --git a/dns/bind9-devel/distinfo b/dns/bind9-devel/distinfo
index 6d003cb2e1e3..4708324d2696 100644
--- a/dns/bind9-devel/distinfo
+++ b/dns/bind9-devel/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1503314744
-SHA256 (bind9-3303655.tar.gz) = fa0725cffbb5350999641f8bf26452740e28f6dfa0e4682865489d6488e2510e
-SIZE (bind9-3303655.tar.gz) = 11901214
+TIMESTAMP = 1503923142
+SHA256 (bind9-503223b.tar.gz) = ba4bc8ac9afa73cc6f0ae29066b929ff034fd555ebb4da23239a47dbc0812090
+SIZE (bind9-503223b.tar.gz) = 11901720