diff --git a/build-constraints.yaml b/build-constraints.yaml
index f21affdd..7cda0341 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -614,6 +614,7 @@ packages:
         - MusicBrainz
         - DAV
         - hopenpgp-tools
+        - opensource
 
     "Joey Hess <id@joeyh.name> @joeyh":
         - git-annex