diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2c9b6561..af7f84ad 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -9060,6 +9060,8 @@ expected-haddock-failures:
     - d10 # 1.0.1.0
     - tztime # https://github.com/commercialhaskell/stackage/issues/5014
 
+    # crashes with 9.4.3
+    - MissingH # https://github.com/haskell-hvr/missingh/issues/61
 # end of expected-haddock-failures
 
 # For packages with haddock issues