diff --git a/after/syntax/css/scroll-animations-1.vim b/after/syntax/css/scroll-animations-1.vim
index 915cee6..559fc61 100644
--- a/after/syntax/css/scroll-animations-1.vim
+++ b/after/syntax/css/scroll-animations-1.vim
@@ -1,2 +1,2 @@
-syn keyword cssFontProp contained scroll-timeline-name scroll-timeline-axis scroll-timeline-attachment scroll-timeline view-timeline-name view-timeline-axis view-timeline-inset view-timeline-attachment view-timeline animation-range animation-delay-start animation-delay-end
+syn keyword cssFontProp contained scroll-timeline-name scroll-timeline-axis scroll-timeline view-timeline-name view-timeline-axis view-timeline-inset view-timeline animation-range animation-delay-start animation-delay-end timeline-scope
 syn keyword cssFontAttr contained entry exit defer ancestor
diff --git a/test/test.css b/test/test.css
index 2467747..4e89351 100644
--- a/test/test.css
+++ b/test/test.css
@@ -800,16 +800,15 @@ mask {
 .scroll-animations-1 {
 	scroll-timeline-name: auto;
 	scroll-timeline-axis: auto;
-	scroll-timeline-attachment: auto;
 	scroll-timeline: auto;
 	view-timeline-name: auto;
 	view-timeline-axis: auto;
 	view-timeline-inset: auto;
-	view-timeline-attachment: auto;
 	view-timeline: auto;
 	animation-range: auto;
 	animation-delay-start: auto;
 	animation-delay-end: auto;
+	timeline-scope: auto;
 	display: entry;
 	display: exit;
 	display: defer;