diff --git a/css/css-overflow/WEB_FEATURES.yml b/css/css-overflow/WEB_FEATURES.yml
index c10a9f36af5d7b..7d0688929ab0dd 100644
--- a/css/css-overflow/WEB_FEATURES.yml
+++ b/css/css-overflow/WEB_FEATURES.yml
@@ -1,4 +1,7 @@
 features:
+- name: scrollbar-gutter
+  files:
+  - scrollbar-gutter-*
 - name: overflow-shorthand
   files:
   # This is all overflow-* except overflow-auto-scrollbar-gutter-intrinsic-*,
diff --git a/css/css-overflow/parsing/WEB_FEATURES.yml b/css/css-overflow/parsing/WEB_FEATURES.yml
new file mode 100644
index 00000000000000..23f8c445d55485
--- /dev/null
+++ b/css/css-overflow/parsing/WEB_FEATURES.yml
@@ -0,0 +1,4 @@
+features:
+- name: scrollbar-gutter
+  files:
+  - scrollbar-gutter-*