diff --git a/lib/dns/api b/lib/dns/api
index 3276b7b11c..5a5cbc7fd1 100644
--- a/lib/dns/api
+++ b/lib/dns/api
@@ -4,5 +4,5 @@
 # 9.8: 80-89
 # 9.9: 90-109
 LIBINTERFACE = 110
-LIBREVISION = 0
+LIBREVISION = 1
 LIBAGE = 0
diff --git a/lib/isc/api b/lib/isc/api
index 29d006975b..b4bdec1efa 100644
--- a/lib/isc/api
+++ b/lib/isc/api
@@ -4,5 +4,5 @@
 # 9.8: 80-89
 # 9.9: 90-109
 LIBINTERFACE = 57
-LIBREVISION = 1
+LIBREVISION = 2
 LIBAGE = 0
diff --git a/lib/isccc/api b/lib/isccc/api
index d212ed360e..d7da70cea3 100644
--- a/lib/isccc/api
+++ b/lib/isccc/api
@@ -4,5 +4,5 @@
 # 9.8: 80-89
 # 9.9: 90-109
 LIBINTERFACE = 50
-LIBREVISION = 1
+LIBREVISION = 2
 LIBAGE = 0