diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2a895153..0ea1c00e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2195,7 +2195,7 @@ packages:
         - conduit-parse
         - dublincore-xml-conduit
         - euler-tour-tree < 0 # GHC 8.4 via base-4.11.0.0
-        - opml-conduit
+        - opml-conduit < 0 # Variable not in scope: throwRefine
         - rss-conduit < 0
         - timerep
         - xml-conduit-parse < 0 # compilation error