diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7298a578..c417c155 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2051,7 +2051,7 @@ packages:
         - flow
         - github-release
         - json-feed
-        # - lackey # servant
+        - lackey
         - list-singleton
         - rampart
         - ratel