diff --git a/build-constraints.yaml b/build-constraints.yaml
index 365ad18d..bc06389f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7585,6 +7585,7 @@ expected-test-failures:
     - detour-via-sci # https://github.com/commercialhaskell/stackage/issues/6360
     - dhall
     - doctest-driver-gen
+    - envelope # https://github.com/commercialhaskell/stackage/issues/6383
     - email-validate
     - fmt # https://github.com/commercialhaskell/stackage/issues/6375
     - greskell