--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 # Initialize Autoconf
-AC_PREREQ([2.70])
+AC_PREREQ([2.69])
 AC_INIT([libX11], [1.8.12],
         [https://gitlab.freedesktop.org/xorg/lib/libx11/-/issues], [libX11])
