diff --git a/Shorewall/changelog.txt b/Shorewall/changelog.txt
index ae0c467e0..61b583c08 100755
--- a/Shorewall/changelog.txt
+++ b/Shorewall/changelog.txt
@@ -43,4 +43,6 @@ Changes in 3.1.x.
 
 21) Correct GATEWAY handling in the providers file.
 
-22) Remove sub-zone exclusion from DNAT/REDIRECT.
\ No newline at end of file
+22) Remove sub-zone exclusion from DNAT/REDIRECT.
+
+23) Add compiled-program/library versioning scheme.