diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3c55b8d6..e4483e23 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1632,6 +1632,7 @@ packages:
     "John Galt <jgalt@centromere.net> @centromere":
         - cacophony
         - pipes-cacophony
+        - blake2
 
     "Adam Curtis <kallisti.dev@gmail.com> @kallisti-dev":
         - webdriver