diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1f609bc7..01eeade9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5122,7 +5122,7 @@ packages:
         - haxl
         - heap
         - hex
-        - hierarchical-clustering
+        - hierarchical-clustering < 0 # https://github.com/commercialhaskell/stackage/issues/6764
         - hjsonpointer
         - hjsonschema
         - hmatrix