diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5f48190e..27c17abf 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2340,7 +2340,7 @@ packages:
         - req
         - req-conduit
         - cue-sheet
-        - wave
+        - wave < 0 # mrkkrp/wave#9
         - flac
         - flac-picture
         - lame