diff --git a/CHANGES b/CHANGES
index 5c33ea67b1..846053f999 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+	--- 9.11.0a1 released ---
+
 4366.	[bug]		Address race condition when updating rbtnode bit
 			fields. [RT #42379]
 
diff --git a/lib/bind9/api b/lib/bind9/api
index 74f36d597c..71475bf18e 100644
--- a/lib/bind9/api
+++ b/lib/bind9/api
@@ -7,5 +7,5 @@
 # 9.10: 140-149
 # 9.11: 160-169
 LIBINTERFACE = 160
-LIBREVISION = 0
+LIBREVISION = 1
 LIBAGE = 0
diff --git a/lib/dns/api b/lib/dns/api
index 7584c85331..dae35dfe26 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 = 160
+LIBINTERFACE = 161
 LIBREVISION = 0
 LIBAGE = 0
diff --git a/lib/isc/api b/lib/isc/api
index 74f36d597c..4185fbd01a 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 = 160
+LIBINTERFACE = 161
 LIBREVISION = 0
-LIBAGE = 0
+LIBAGE = 1
diff --git a/lib/isccc/api b/lib/isccc/api
index 74f36d597c..71475bf18e 100644
--- a/lib/isccc/api
+++ b/lib/isccc/api
@@ -7,5 +7,5 @@
 # 9.10: 140-149
 # 9.11: 160-169
 LIBINTERFACE = 160
-LIBREVISION = 0
+LIBREVISION = 1
 LIBAGE = 0
diff --git a/lib/isccfg/api b/lib/isccfg/api
index 74f36d597c..71475bf18e 100644
--- a/lib/isccfg/api
+++ b/lib/isccfg/api
@@ -7,5 +7,5 @@
 # 9.10: 140-149
 # 9.11: 160-169
 LIBINTERFACE = 160
-LIBREVISION = 0
+LIBREVISION = 1
 LIBAGE = 0
diff --git a/version b/version
index 4007f2b9ac..917ef1d8d4 100644
--- a/version
+++ b/version
@@ -7,5 +7,5 @@ MAJORVER=9
 MINORVER=11
 PATCHVER=0
 RELEASETYPE=a
-RELEASEVER=1
+RELEASEVER=2
 EXTENSIONS=