diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2d600bc7..ecf02b07 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7209,6 +7209,7 @@ expected-test-failures:
     - log # ElasticSearch
     - lsp-test
     - lxd-client # Needs LXD, not available on debian
+    - lz4 # executable not found https://github.com/commercialhaskell/stackage/issues/6226
     - mangopay # https://github.com/prowdsponsor/mangopay/issues/30
     - memcached-binary # memcached
     - milena