diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0261c6ec..e6300bfc 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5660,6 +5660,7 @@ expected-test-failures:
     - haskeline # https://github.com/commercialhaskell/stackage/issues/5439
     - character-cases # https://github.com/aiya000/hs-character-cases/issues/3
     - lz4-frame-conduit # https://github.com/nh2/lz4-frame-conduit/issues/3
+    - dhall-yaml # https://github.com/commercialhaskell/stackage/issues/5640
 
     # Assertion failures due to module name ambiguity
     # (These _should_ be fixed by using the `hide` section of this file)