diff --git a/configure.ac b/configure.ac
index 9d88411..7fe7864 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,7 +21,7 @@ dnl  PERFORMANCE OF THIS SOFTWARE.
 dnl
 dnl Process this file with autoconf to create configure.
 
-AC_PREREQ([2.57])
+AC_PREREQ([2.60])
 dnl
 dnl This is the package version number, not the shared library
 dnl version.  This same version number must appear in Xcursor.h