diff --git a/meson.build b/meson.build
index 7b7acbd..59cf9dc 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('tang', 'c',
-  version: '12',
+  version: '13',
   license: 'GPL3+',
   default_options: [
     'c_std=c99',