diff --git a/build-constraints.yaml b/build-constraints.yaml
index d4f1d9c3..75348b73 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -9106,6 +9106,7 @@ expected-test-failures:
     - shake # Needs ghc on $PATH with some installed haskell packages
     - slack-api # needs api key https://github.com/commercialhaskell/stackage/pull/5345
     - sourcemap # requires npm installed packages
+    - squeal-postgresql # ConnectionException "LibPQ.exec", https://github.com/commercialhaskell/stackage/issues/7108
     - stripe-http-streams # https://github.com/fpco/stackage/issues/2945, needs Stripe account
     - sydtest-wai # epollControl does not exist. Stackage server issue?
     - users-persistent # sqlite