--- a/layout/style/test/stylo-failures.md
+++ b/layout/style/test/stylo-failures.md
@@ -51,19 +51,21 @@ Any line which doesn't follow the format
     * test_animations_omta_start.html [1]
     * test_animations_pausing.html [1]
     * test_animations_playbackrate.html [1]
   * Events:
     * test_animations_event_handler_attribute.html [10]
     * test_animations_event_order.html [12]
   * SMIL Animation
     * test_restyles_in_smil_animation.html [2]
+  * CSS Timing Functions: Frames timing functions
+    * test_value_storage.html `frames` [30]
   * Property parsing and computation:
     * test_property_syntax_errors.html `animation` [404]
-    * test_value_storage.html `animation` [265]
+    * test_value_storage.html `animation` [280]
 * test_any_dynamic.html: -moz-any pseudo class [2]
 * CSSOM support:
   * @namespace ##easy##
     * test_at_rule_parse_serialize.html [1]
     * test_bug765590.html [1]
     * test_font_face_parser.html `@namespace` [1]
   * @import
     * test_bug221428.html [1]