diff --git a/vendor/x11/xlib/xlib_const.odin b/vendor/x11/xlib/xlib_const.odin
index 6a57a516f..cb4037e45 100644
--- a/vendor/x11/xlib/xlib_const.odin
+++ b/vendor/x11/xlib/xlib_const.odin
@@ -110,6 +110,8 @@ PropModePrepend :: 1
 PropModeAppend  :: 2
 
 XA_ATOM              :: Atom(4)
+XA_CARDINAL          :: Atom(6)
+XA_INTEGER           :: Atom(19)
 XA_WM_CLASS          :: Atom(67)
 XA_WM_CLIENT_MACHINE :: Atom(36)
 XA_WM_COMMAND        :: Atom(34)