-diff -ur postgresql-13.6.orig/configure.in postgresql-13.6/configure.in
---- postgresql-13.6.orig/configure.in 2022-02-07 22:17:41.000000000 +0100
-+++ postgresql-13.6/configure.in 2022-04-04 17:51:22.778422656 +0200
+--- postgresql-13.11.orig/configure.in 2022-02-07 22:17:41.000000000 +0100
++++ postgresql-13.11/configure.in 2022-04-04 17:51:22.778422656 +0200
@@ -19,10 +19,6 @@
- AC_INIT([PostgreSQL], [13.6], [pgsql-bugs@lists.postgresql.org], [], [https://www.postgresql.org/])
+ AC_INIT([PostgreSQL], [13.11], [pgsql-bugs@lists.postgresql.org], [], [https://www.postgresql.org/])
-m4_if(m4_defn([m4_PACKAGE_VERSION]), [2.69], [], [m4_fatal([Autoconf version 2.69 is required.
-Untested combinations of 'autoconf' and PostgreSQL versions are not