diff --git a/features/media-queries.yml b/features/media-queries.yml
index ead96e40248..25eb0dfbfc5 100644
--- a/features/media-queries.yml
+++ b/features/media-queries.yml
@@ -15,6 +15,7 @@ compat_features:
   - css.at-rules.media.orientation
   - css.at-rules.media.aspect-ratio
   - css.types.ratio
+  - css.types.ratio.number_value
   - css.at-rules.media.color-index
   - css.at-rules.media.calc
   - css.at-rules.media.media_features
diff --git a/features/media-queries.yml.dist b/features/media-queries.yml.dist
index 07e361f656c..ebc154e2fe3 100644
--- a/features/media-queries.yml.dist
+++ b/features/media-queries.yml.dist
@@ -140,3 +140,7 @@ compat_features:
   #   firefox: "59"
   #   firefox_android: "59"
   - css.at-rules.media.media_query_values
+
+  # baseline: false
+  # support: {}
+  - css.types.ratio.number_value