diff --git a/build-constraints.yaml b/build-constraints.yaml
index 82f93e5c..5a4eac69 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7652,6 +7652,7 @@ expected-test-failures:
     - http-client # httpbin issues, https://github.com/snoyberg/http-client/issues/439
     - http-directory # httpbin issues, https://github.com/juhp/http-directory/issues/1
     - faktory # connection refused, https://github.com/commercialhaskell/stackage/issues/5905
+    - sendgrid-v3 # Requires sendgrid API key in env #5951/closed
 
     # Missing test files in sdist
     # Hopefully gets fixed in the next release...