diff --git a/src/tink/domspec/Style.hx b/src/tink/domspec/Style.hx
index 1c749dc..fa05722 100644
--- a/src/tink/domspec/Style.hx
+++ b/src/tink/domspec/Style.hx
@@ -21,6 +21,7 @@ typedef Style = {
   @:optional var animationPlayState(default, never):String;
   @:optional var animationTimingFunction(default, never):String;
   @:optional var azimuth(default, never):String;
+  @:optional var backdropFilter(default, never):String;
   @:optional var backfaceVisibility(default, never):String;
   @:optional var background(default, never):String;
   @:optional var backgroundAttachment(default, never):String;