diff --git a/css/css-values/WEB_FEATURES.yml b/css/css-values/WEB_FEATURES.yml
index bed7ba6df265be..83988d0a7abc9c 100644
--- a/css/css-values/WEB_FEATURES.yml
+++ b/css/css-values/WEB_FEATURES.yml
@@ -32,3 +32,6 @@ features:
   files:
   - acos-asin-atan-atan2-*
   - sin-cos-tan-*
+- name: calc-constants
+  files:
+  - calc-infinity-*