diff --git a/build-constraints.yaml b/build-constraints.yaml
index c6be6c92..f3ee229b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1761,6 +1761,9 @@ skipped-tests:
     - uuid
     - uuid-types
 
+    # https://github.com/fpco/stackage/issues/934
+    - cacophony
+
 # end of skipped-tests