diff --git a/build-constraints.yaml b/build-constraints.yaml
index e7db264c..04555a5f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3078,6 +3078,9 @@ packages:
         - hsexif
         - slack-web
 
+    "Andrei Borzenkov <me@sandwitch.dev> @s-and-witch":
+        - webcolor-labels
+
     "Nikolai Kudasov <nickolay.kudasov@gmail.com> @fizruk":
         - http-api-data
         - swagger2