diff --git a/configure.in b/configure.in
index 4570f3d..b444bbe 100644
--- a/configure.in
+++ b/configure.in
@@ -1,4 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
+AC_PREREQ(2.13)
 AC_INIT(common/crc.h)
 
 dnl Version of this release