diff --git a/build-constraints.yaml b/build-constraints.yaml
index f8791818..26823fa2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1578,6 +1578,9 @@ packages:
         - docopt
         - pathwalk
 
+    "John Galt <jgalt@centromere.net> @entheogenesis":
+        - cacophony
+
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537
         - zlib < 0.6