diff --git a/features/mouse-events.yml b/features/mouse-events.yml
index 8e46f41ac4b..be84e896c59 100644
--- a/features/mouse-events.yml
+++ b/features/mouse-events.yml
@@ -44,3 +44,7 @@ compat_features:
   - api.MouseEvent.shiftKey
   - api.MouseEvent.x
   - api.MouseEvent.y
+  - api.UIEvent
+  - api.UIEvent.UIEvent
+  - api.UIEvent.detail
+  - api.UIEvent.view
diff --git a/features/mouse-events.yml.dist b/features/mouse-events.yml.dist
index 01e60ed437f..36f1bd38871 100644
--- a/features/mouse-events.yml.dist
+++ b/features/mouse-events.yml.dist
@@ -29,6 +29,9 @@ compat_features:
   - api.MouseEvent
   - api.MouseEvent.button
   - api.MouseEvent.clientX
+  - api.UIEvent
+  - api.UIEvent.detail
+  - api.UIEvent.view
 
   # baseline: high
   # baseline_low_date: 2015-07-29
@@ -120,6 +123,7 @@ compat_features:
   #   safari: "7"
   #   safari_ios: "7"
   - api.MouseEvent.MouseEvent
+  - api.UIEvent.UIEvent
 
   # baseline: high
   # baseline_low_date: 2015-07-29