diff --git a/build-constraints.yaml b/build-constraints.yaml
index 916cca38..659eaa04 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1025,7 +1025,7 @@ packages:
        - users-persistent
        - users-postgresql-simple
        - users-test
-       - validate-input
+       # - validate-input # https://github.com/agrafix/validate-input/issues/3
        - ignore
        - blaze-bootstrap
        - dataurl