diff --git a/build-constraints.yaml b/build-constraints.yaml
index 41d753c5..f77738d9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1840,6 +1840,9 @@ expected-test-failures:
     # https://github.com/MichaelXavier/cron/issues/22
     - cron
 
+    # https://github.com/fpco/stackage/issues/811
+    - etcd
+
 # Haddocks which are expected to fail. Same concept as expected test failures.
 expected-haddock-failures:
     # https://github.com/acw/bytestring-progress/issues/4