diff --git a/include/wlr/types/wlr_keyboard.h b/include/wlr/types/wlr_keyboard.h
index 99a624c2..a6726a7c 100644
--- a/include/wlr/types/wlr_keyboard.h
+++ b/include/wlr/types/wlr_keyboard.h
@@ -3,6 +3,7 @@
 
 #include <wayland-server.h>
 #include <stdint.h>
+#include <stdbool.h>
 #include <wayland-server.h>
 #include <xkbcommon/xkbcommon.h>