diff --git a/meson.build b/meson.build
index 9577c7375..b11e91cb8 100644
--- a/meson.build
+++ b/meson.build
@@ -20,7 +20,7 @@ conf.set_quoted('PACKAGE', meson.project_name())
 conf.set_quoted('PACKAGE_NAME', meson.project_name())
 conf.set_quoted('PACKAGE_VERSION', meson.project_version())
 conf.set_quoted('VERSION', meson.project_version())
-conf.set_quoted('PROTOCOL_VERSION', '0.21.6')
+conf.set_quoted('PROTOCOL_VERSION', '0.21.11')
 conf.set_quoted('SYSTEM_CONFIG_FILE_LOCATION', join_paths(get_option('prefix'), get_option('sysconfdir'), 'mpd.conf'))
 
 common_cppflags = [