diff --git a/src/general-info/release-21b.txt b/src/general-info/release-21b.txt
index 1f5b58b5b573929fd370c5acea8be2fa7b100e9b..2461b134e3beb3f031cb626622e5b8609c118e9e 100644
--- a/src/general-info/release-21b.txt
+++ b/src/general-info/release-21b.txt
@@ -22,7 +22,7 @@ New in this release:
   * Feature enhancements
 
   * Changes
-    * Update to ASDF 3.1.6
+    * Update to ASDF 3.1.6.9
     * Add support for asdf's static-image-op
       * This mostly entails internal changes in how executables are
         handled.  lisp.a is not complete; it must be linked with