diff --git a/build-constraints.yaml b/build-constraints.yaml
index e4420261..33aefab0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -846,7 +846,8 @@ packages:
        - validate-input
        - ignore
        - elm-bridge
-       - hackmanager
+       # https://github.com/agrafix/hackmanager/issues/1
+       # - hackmanager
        # via digestive-functors - digestive-bootstrap
        - blaze-bootstrap
        - dataurl