diff --git configure.ac configure.ac
index f9d110e..89378ea 100644
--- configure.ac
+++ configure.ac
@@ -1,5 +1,5 @@
 # Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.52)
+AC_PREREQ(2.54)
 
 m4_define([evo_major_version], [2])
 m4_define([evo_minor_version], [27])