diff --git a/mksnapidx.awk b/mksnapidx.awk
index e4b0e66..673508b 100644
--- a/mksnapidx.awk
+++ b/mksnapidx.awk
@@ -29,9 +29,11 @@
 BEGIN {
 	vmroot = "https://download.freebsd.org/ftp/snapshots/VM-IMAGES/"
 	isoroot = "https://download.freebsd.org/ftp/snapshots/ISO-IMAGES/"
+	bciroot = "https://download.freebsd.org/ftp/snapshots/CI-IMAGES/"
 
 	relvmroot = "https://download.freebsd.org/ftp/releases/VM-IMAGES/"
 	relisoroot = "https://download.freebsd.org/ftp/releases/ISO-IMAGES/"
+	relbciroot = "https://download.freebsd.org/ftp/releases/CI-IMAGES/"
 }
 
 tolower($1) == "message-id:" {
@@ -86,6 +88,7 @@ function isrelease(relpart) {
 #FreeBSD-12.1-RC1-amd64-mini-memstick.img.xz
 #FreeBSD-12.1-RELEASE-arm64-aarch64.vmdk.xz
 #FreeBSD-13.1-RELEASE-riscv-riscv64.vmdk.xz
+#FreeBSD-13.1-RELEASE-amd64-BASIC-CI.raw.xz
 
 $1 == "SHA512" {
 	# Strip parens
@@ -160,13 +163,19 @@ $1 == "SHA512" {
 		}
 	}
 	if (isrelease(parts[3])) {
-		if (type == "vm") {
+		if (platform == "BASIC-CI") {
+			vers = dotparts[3]
+			url = relbciroot parts[2] "-" parts[3] "/" basearch "/Latest/" fname
+		} else if (type == "vm") {
 			vers = dotparts[3]
 			url = relvmroot parts[2] "-" parts[3] "/" basearch "/Latest/" fname
 		} else
 			url = relisoroot parts[2] "/" fname
 	} else {
-		if (type == "vm") {
+		if (platform == "BASIC-CI") {
+			vers = dotparts[3]
+			url = cbiroot parts[2] "-" parts[3] "/" basearch "/" date "/" fname
+		} else if (type == "vm") {
 			vers = dotparts[3]
 			url = vmroot parts[2] "-" parts[3] "/" basearch "/" date "/" fname
 		} else