diff --git a/version.m4 b/version.m4
index 22faf65ff..28094e9c0 100644
--- a/version.m4
+++ b/version.m4
@@ -1 +1 @@
-m4_define([VERSION_NUMBER], [1.1.12])
+m4_define([VERSION_NUMBER], m4_esyscmd_s([git describe --always]))