diff --git a/meson.build b/meson.build
index a78d698..e6ca45c 100644
--- a/meson.build
+++ b/meson.build
@@ -79,6 +79,7 @@ staging_protocols = {
 
 experimental_protocols = {
 	'xx-input-method': ['v2'],
+	'xx-keyboard-filter': ['v1'],
 	'xx-session-management': ['v1'],
 	'xx-text-input': ['v3'],
 }