diff --git a/configure.ac b/configure.ac
index 66a523ff..b1528b56 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@ NC_WARNINGS
 
 LT_INIT
 
-AM_INIT_AUTOMAKE([1.14 dist-bzip2 dist-xz foreign subdir-objects])
+AM_INIT_AUTOMAKE([1.15 foreign dist-xz subdir-objects])
 AM_SILENT_RULES([yes])
 AM_MAINTAINER_MODE([enable])