diff --git a/build-constraints.yaml b/build-constraints.yaml
index 22435004..da9f8f7c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8118,6 +8118,7 @@ expected-test-failures:
     - varying
     - vector-algorithms
     - vivid-osc
+    - wai-extra # https://github.com/yesodweb/wai/issues/886
     - wakame
     - world-peace
     - xml-picklers # https://github.com/Philonous/xml-picklers/issues/5