diff --git a/CHANGES b/CHANGES
index 8e999eba3d..2a758fa5ed 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+	--- 9.15.3 released ---
+
 5291.	[placeholder]
 
 5290.	[placeholder]
diff --git a/lib/dns/api b/lib/dns/api
index effc9e71d2..ceb49d1675 100644
--- a/lib/dns/api
+++ b/lib/dns/api
@@ -10,6 +10,6 @@
 # 9.12: 1200-1299
 # 9.13/9.14: 1300-1499
 # 9.15/9.16: 1500-1699
-LIBINTERFACE = 1502
+LIBINTERFACE = 1503
 LIBREVISION = 0
 LIBAGE = 0
diff --git a/lib/isc/api b/lib/isc/api
index effc9e71d2..d1ed585b1a 100644
--- a/lib/isc/api
+++ b/lib/isc/api
@@ -11,5 +11,5 @@
 # 9.13/9.14: 1300-1499
 # 9.15/9.16: 1500-1699
 LIBINTERFACE = 1502
-LIBREVISION = 0
+LIBREVISION = 1
 LIBAGE = 0
diff --git a/version b/version
index b011c30c26..8fc4f42578 100644
--- a/version
+++ b/version
@@ -5,7 +5,7 @@ PRODUCT=BIND
 DESCRIPTION="(Development Release)"
 MAJORVER=9
 MINORVER=15
-PATCHVER=3
+PATCHVER=4
 RELEASETYPE=
 RELEASEVER=
 EXTENSIONS=