diff --git a/CHANGES b/CHANGES
index 36a7d98c14..706f04c02c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+	--- 9.10.3rc1 released ---
+
 4193.	[bug]		Handle broken servers that return BADVERS incorrectly.
 			[RT #40427]
 
diff --git a/lib/bind9/api b/lib/bind9/api
index 89d7699d84..78e0db618d 100644
--- a/lib/bind9/api
+++ b/lib/bind9/api
@@ -6,5 +6,5 @@
 # 9.9-sub: 130-139
 # 9.10: 140-149
 LIBINTERFACE = 140
-LIBREVISION = 9
+LIBREVISION = 10
 LIBAGE = 0
diff --git a/lib/dns/api b/lib/dns/api
index bf699fadcf..2a236ce203 100644
--- a/lib/dns/api
+++ b/lib/dns/api
@@ -5,6 +5,6 @@
 # 9.9: 90-109
 # 9.9-sub: 130-139, 150-159
 # 9.10: 140-149, 160-169
-LIBINTERFACE = 161
+LIBINTERFACE = 162
 LIBREVISION = 0
-LIBAGE = 0
+LIBAGE = 1
diff --git a/lib/irs/api b/lib/irs/api
index 3b36f7eb8b..c2409013b3 100644
--- a/lib/irs/api
+++ b/lib/irs/api
@@ -6,5 +6,5 @@
 # 9.9-sub: 130-139
 # 9.10: 140-149
 LIBINTERFACE = 141
-LIBREVISION = 3
+LIBREVISION = 4
 LIBAGE = 0
diff --git a/lib/isc/api b/lib/isc/api
index d41808d482..6915220983 100644
--- a/lib/isc/api
+++ b/lib/isc/api
@@ -4,7 +4,7 @@
 # 9.8: 80-89, 120-129
 # 9.9: 90-109
 # 9.9-sub: 130-139
-# 9.10: 140-149
-LIBINTERFACE = 149
+# 9.10: 140-149, 160-169
+LIBINTERFACE = 160
 LIBREVISION = 0
-LIBAGE = 1
+LIBAGE = 0
diff --git a/lib/isccc/api b/lib/isccc/api
index 648927f0d7..2feb9eda5d 100644
--- a/lib/isccc/api
+++ b/lib/isccc/api
@@ -6,5 +6,5 @@
 # 9.9-sub: 130-139
 # 9.10: 140-149
 LIBINTERFACE = 140
-LIBREVISION = 2
+LIBREVISION = 3
 LIBAGE = 0
diff --git a/version b/version
index be25c26944..1da42b45e1 100644
--- a/version
+++ b/version
@@ -6,6 +6,6 @@ DESCRIPTION=
 MAJORVER=9
 MINORVER=10
 PATCHVER=3
-RELEASETYPE=b
+RELEASETYPE=rc
 RELEASEVER=1
 EXTENSIONS=