Index: .github/workflows/openbsd.yml
==================================================================
--- .github/workflows/openbsd.yml
+++ .github/workflows/openbsd.yml
@@ -14,11 +14,11 @@
     - uses: vmactions/openbsd-vm@v1
       with:
         usesh: true
         copyback: false
         prepare: |
-          pkg_add autoconf-2.71 automake-1.16.5 gnutls pkgconf
+          pkg_add autoconf-2.72p0 automake-1.16.5 gnutls pkgconf
         run: |
           ./autogen.sh
           ./configure OBJC=clang ${{ matrix.configure_flags }}
           make -j4
           make check

Index: autogen.sh
==================================================================
--- autogen.sh
+++ autogen.sh
@@ -1,11 +1,11 @@
 #!/bin/sh
 set -e
 
 # Set a version for OpenBSD
 if test x"$(uname -s)" = x"OpenBSD"; then
-	: ${AUTOCONF_VERSION:=2.71}
+	: ${AUTOCONF_VERSION:=2.72}
 	: ${AUTOMAKE_VERSION:=1.16}
 	export AUTOCONF_VERSION AUTOMAKE_VERSION
 fi
 
 aclocal -I build-aux/m4