diff --git a/json/css.json b/json/css.json
index 47ba620c..1ff17fdf 100644
--- a/json/css.json
+++ b/json/css.json
@@ -3,5 +3,6 @@
     "style",
     "icons",
     "help",
-    "query"
+    "query",
+    "supports"
 ]