diff --git a/build-constraints.yaml b/build-constraints.yaml
index aee3c9aa..5d4daa6f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3834,7 +3834,7 @@ packages:
         - conduit-zstd
 
     "Alex Biehl <alexbiehl@gmail.com> @alexbiehl":
-        - haddock-library
+        - haddock-library < 1.11.0 # https://github.com/commercialhaskell/stackage/issues/6690
         - http-client-openssl
 
     "Steven Vandevelde <icid.asset@gmail.com> @icidasset":