diff --git a/CHANGES b/CHANGES
index 6270797ed1..5f4cabe11b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+	--- 9.11.1b1 released ---
+
 4545.	[func]		Expand YAML output from dnstap-read to include
 			a detailed breakdown of the DNS message contents.
 			[RT #43642]
diff --git a/lib/bind9/api b/lib/bind9/api
index 113e89b73f..19b61acb59 100644
--- a/lib/bind9/api
+++ b/lib/bind9/api
@@ -7,5 +7,5 @@
 # 9.10: 140-149
 # 9.11: 160-169
 LIBINTERFACE = 160
-LIBREVISION = 2
+LIBREVISION = 3
 LIBAGE = 0
diff --git a/lib/dns/api b/lib/dns/api
index ea1b622448..4e2dd412eb 100644
--- a/lib/dns/api
+++ b/lib/dns/api
@@ -6,6 +6,6 @@
 # 9.9-sub: 130-139, 150-159
 # 9.10: 140-149
 # 9.11: 160-169
-LIBINTERFACE = 166
-LIBREVISION = 2
+LIBINTERFACE = 167
+LIBREVISION = 0
 LIBAGE = 0
diff --git a/lib/irs/api b/lib/irs/api
index 71475bf18e..113e89b73f 100644
--- a/lib/irs/api
+++ b/lib/irs/api
@@ -7,5 +7,5 @@
 # 9.10: 140-149
 # 9.11: 160-169
 LIBINTERFACE = 160
-LIBREVISION = 1
+LIBREVISION = 2
 LIBAGE = 0
diff --git a/lib/isc/api b/lib/isc/api
index 0e5ec81d4e..125620e298 100644
--- a/lib/isc/api
+++ b/lib/isc/api
@@ -6,6 +6,6 @@
 # 9.9-sub: 130-139
 # 9.10: 140-149
 # 9.11: 160-169
-LIBINTERFACE = 165
-LIBREVISION = 1
-LIBAGE = 5
+LIBINTERFACE = 166
+LIBREVISION = 0
+LIBAGE = 0
diff --git a/lib/isccfg/api b/lib/isccfg/api
index c3712c1dc0..4185fbd01a 100644
--- a/lib/isccfg/api
+++ b/lib/isccfg/api
@@ -6,6 +6,6 @@
 # 9.9-sub: 130-139
 # 9.10: 140-149
 # 9.11: 160-169
-LIBINTERFACE = 160
-LIBREVISION = 5
-LIBAGE = 0
+LIBINTERFACE = 161
+LIBREVISION = 0
+LIBAGE = 1
diff --git a/version b/version
index 90416fc95c..8407985a36 100644
--- a/version
+++ b/version
@@ -5,7 +5,7 @@ PRODUCT=BIND
 DESCRIPTION=
 MAJORVER=9
 MINORVER=11
-PATCHVER=0
-RELEASETYPE=
-RELEASEVER=
+PATCHVER=1
+RELEASETYPE=b
+RELEASEVER=1
 EXTENSIONS=