1 files changed, 1 insertions, 1 deletions

diff --git a/configure.in b/configure.in
index e6072d2dbad..2e4580ce175 100644
--- a/configure.in
+++ b/configure.in
@@ -23,7 +23,7 @@ dnl  along with GNU Emacs; see the file COPYING.  If not, write to the
 dnl  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 dnl  Boston, MA 02110-1301, USA.
 
-AC_PREREQ(2.54)dnl
+AC_PREREQ(2.61)dnl
 AC_INIT(src/lisp.h)
 AC_CONFIG_HEADER(src/config.h:src/config.in)