diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0e2c8f29..d05fd5da 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7329,6 +7329,7 @@ expected-test-failures:
     - ghci-hexcalc # https://github.com/takenobu-hs/ghci-hexcalc/issues/2
     - ghcid # Weird conflicts with sandboxingistributed/distributed-process-supervisor/issues/1
     - gitlab-haskell # https://github.com/commercialhaskell/stackage/issues/6088
+    - hakyll # https://github.com/jaspervdj/hakyll/issues/887
     - heap # https://github.com/pruvisto/heap/issues/11
     - hjsmin # Test-runner expects a cabal-style 'dist-newstyle' directory
     - hspec-expectations-pretty-diff # https://github.com/unrelentingtech/hspec-expectations-pretty-diff/issues/7