diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index 9544f771fc..ef850a423b 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,7 @@
+2003-03-06	Ralf Corsepius <corsepiu@faw.uni-ulm.de>
+
+	* configure.ac: AC_PREREQ(2.57).
+
 2003-03-06	Ralf Corsepius <corsepiu@faw.uni-ulm.de>
 
 	* configure.ac: Remove sptables.h.in.
diff --git a/cpukit/configure.ac b/cpukit/configure.ac
index 42e2a4c821..1dd7edfd49 100644
--- a/cpukit/configure.ac
+++ b/cpukit/configure.ac
@@ -2,7 +2,7 @@
 ## 
 ## $Id$
 
-AC_PREREQ(2.54)
+AC_PREREQ(2.57)
 AC_INIT([rtems-cpukit],[_RTEMS_VERSION],[rtems-bugs@OARcorp.com])
 AC_CONFIG_SRCDIR([score])
 RTEMS_TOP(..)