diff --git a/build-constraints.yaml b/build-constraints.yaml
index 70b5abac..4e57f30b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8430,6 +8430,7 @@ expected-test-failures:
     - hocilib # oracle
     - http-api-data-qq # Access to httpbin.org is unreliable (at the moment 504 Gateway Time-out).
     - http-client # httpbin issues, https://github.com/snoyberg/http-client/issues/439
+    - http-client-tls # Access to httpbin.org is unreliable (at the moment 504 Gateway Time-out).
     - http-directory # httpbin issues, https://github.com/juhp/http-directory/issues/1
     - http2 # executable not found https://github.com/kazu-yamamoto/http2/issues/22
     - hworker