diff --git a/configure.ac b/configure.ac
index a1051c23..ebea6cf4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,12 +19,12 @@
 AC_INIT([GNU nano], [2.7.5], [nano-devel@gnu.org], [nano])
 AC_CONFIG_SRCDIR([src/nano.c])
 AC_CANONICAL_HOST
-AM_INIT_AUTOMAKE
+AM_INIT_AUTOMAKE([1.14])
 AC_CONFIG_HEADERS([config.h])
 
 dnl Make sure the ONCE macros are available.
 
-AC_PREREQ(2.61)
+AC_PREREQ([2.69])
 
 dnl Checks for programs.