diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5601e4de..0576ddca 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1619,6 +1619,9 @@ packages:
         # https://github.com/jgm/pandoc/issues/2466
         - pandoc < 1.15.1.1
 
+        # https://github.com/fpco/stackage/issues/909
+        - hyperloglog < 0.4.0.1
+
 # end of packages