diff --git a/meson.build b/meson.build
index 7bef43514..8344c9043 100644
--- a/meson.build
+++ b/meson.build
@@ -10,7 +10,7 @@ split_version = meson.project_version().split('.')
 # the Cogl and Clutter libraries also use this API version.
 # The API version is increased each development cycle,
 # starting with 0 in 3.23.x
-mutter_api_version = '12'
+mutter_api_version = '13'
 
 clutter_pc = 'mutter-clutter-' + mutter_api_version
 cogl_pc = 'mutter-cogl-' + mutter_api_version