diff --git a/build-constraints.yaml b/build-constraints.yaml
index c4421193..fa3df0a9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8514,6 +8514,7 @@ expected-test-failures:
     - rattle # needs fsatrace
     - redis-io
     - rel8
+    - rest-rewrite # posix_spawnp
     - rethinkdb
     - rethinkdb-client-driver
     - riak # needs riak server on localhost:8098