diff --git a/etc/portsnap.conf b/etc/portsnap.conf
index 624ae7e3e200..f6c18de45d6b 100644
--- a/etc/portsnap.conf
+++ b/etc/portsnap.conf
@@ -32,3 +32,4 @@ KEYPRINT=9b5feee6d69f170e3dd0a2c8e469ddbd64f13f978f2f3aede40c98633216c330
 # List of INDEX files to build and the DESCRIBE file to use for each
 INDEX INDEX-9 DESCRIBE.9
 INDEX INDEX-10 DESCRIBE.10
+INDEX INDEX-11 DESCRIBE.11