diff --git a/header.adoc b/header.adoc
index 8c0caa5..aa9221e 100644
--- a/header.adoc
+++ b/header.adoc
@@ -2,7 +2,7 @@
 :description: Hardware Updating of PTE A/D Bits (Svadu)
 :company: RISC-V.org
 :revdate: 8/2023
-:revnumber: 1.0
+:revnumber: 0.9
 :revremark: This document is in Frozen state. See http://riscv.org/spec-state for details.
 :url-riscv: http://riscv.org
 :doctype: book