diff -urNp a/dist/autoconf-version b/dist/autoconf-version
--- a/dist/autoconf-version 2021-09-01 11:18:14.582110773 +0200
+++ b/dist/autoconf-version 2021-09-01 11:20:16.804369533 +0200
@@ -1 +1 @@
-2.69
+2.71