c3-lang/libffi

diff --git a/configure.ac b/configure.ac
index 9a98343..ab0bdfb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this with autoconf to create configure
 
-AC_PREREQ([2.71])
+AC_PREREQ([2.69])
 
 AC_INIT([libffi],[3.4.4],[http://github.com/libffi/libffi/issues])
 AC_CONFIG_HEADERS([fficonfig.h])