diff --git a/CHANGES b/CHANGES
index b13501cd71..323c328d5e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+	--- 9.10.1rc1 released ---
+
 3935.	[bug]		"geoip asnum" ACL elements would not match unless
 			the full organization name was specified.  They
 			can now match against the AS number alone (e.g.,
diff --git a/lib/bind9/api b/lib/bind9/api
index b9ba7b62b6..f71d12d055 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 = 5
+LIBREVISION = 6
 LIBAGE = 0
diff --git a/lib/dns/api b/lib/dns/api
index 0b788e187a..c9f4df2e09 100644
--- a/lib/dns/api
+++ b/lib/dns/api
@@ -6,5 +6,5 @@
 # 9.9-sub: 130-139
 # 9.10: 140-149
 LIBINTERFACE = 146
-LIBREVISION = 0
+LIBREVISION = 1
 LIBAGE = 0
diff --git a/lib/isccfg/api b/lib/isccfg/api
index c6546820fb..2a65af2b2c 100644
--- a/lib/isccfg/api
+++ b/lib/isccfg/api
@@ -6,5 +6,5 @@
 # 9.9-sub: 130-139
 # 9.10: 140-149
 LIBINTERFACE = 142
-LIBREVISION = 1
+LIBREVISION = 2
 LIBAGE = 2
diff --git a/version b/version
index 12204bea11..5a505ffd89 100644
--- a/version
+++ b/version
@@ -6,6 +6,6 @@ DESCRIPTION=
 MAJORVER=9
 MINORVER=10
 PATCHVER=1
-RELEASETYPE=b
-RELEASEVER=2
+RELEASETYPE=rc
+RELEASEVER=1
 EXTENSIONS=