diff --git a/util/freebsd.sh b/util/freebsd.sh
index 89ffccd..8e09f25 100755
--- a/util/freebsd.sh
+++ b/util/freebsd.sh
@@ -613,12 +613,24 @@ case $1 in
         index_core freebsd-12.2 "${MIR}base.txz" core-base 2020-10-27
         index freebsd2 --sys freebsd-12.2 --mirror "$PKG"
         ;;
+    12.3)
+        MIR="${CMIRROR}amd64/12.3-RELEASE/"
+        PKG="${PMIRROR}FreeBSD:12:amd64/release_3/"
+        index_core freebsd-12.3 "${MIR}base.txz" core-base 2021-12-07
+        index freebsd2 --sys freebsd-12.3 --mirror "$PKG"
+        ;;
     13.0)
         MIR="${CMIRROR}amd64/13.0-RELEASE/"
         PKG="${PMIRROR}FreeBSD:13:amd64/release_0/"
         index_core freebsd-13.0 "${MIR}base.txz" core-base 2021-04-13
         index freebsd2 --sys freebsd-13.0 --mirror "$PKG"
         ;;
+    13.1)
+        MIR="${CMIRROR}amd64/13.1-RELEASE/"
+        PKG="${PMIRROR}FreeBSD:13:amd64/release_1/"
+        index_core freebsd-13.1 "${MIR}base.txz" core-base 2022-05-16
+        index freebsd2 --sys freebsd-13.1 --mirror "$PKG"
+        ;;
     old)
         $0 1.0
         $0 2.0.5
@@ -689,6 +701,8 @@ case $1 in
         $0 12.0
         $0 12.1
         $0 12.2
+        $0 12.3
         $0 13.0
+        $0 13.1
         ;;
 esac