diff --git a/meson.build b/meson.build
index d9801024..62eecc82 100644
--- a/meson.build
+++ b/meson.build
@@ -18,7 +18,7 @@
 # project setup
 #
 project('mu', ['c', 'cpp'],
-	version: '1.5.8',
+	version: '1.5.9',
 	meson_version: '>= 0.52.0', # debian 10
 	license: 'GPL-3.0-or-later',
 	default_options : [