diff --git a/build-constraints.yaml b/build-constraints.yaml
index d514b17c..0ed8f0c9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1964,7 +1964,7 @@ packages:
         - dublincore-xml-conduit
         - euler-tour-tree < 0 # GHC 8.4 via base-4.11.0.0
         - opml-conduit
-        - rss-conduit
+        - rss-conduit < 0
         - timerep
         - xml-conduit-parse