diff --git a/build-constraints.yaml b/build-constraints.yaml
index a3c6f2b4..7cf1235c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3753,7 +3753,7 @@ packages:
         - ilist
         - life-sync
         - membrain
-        - relude
+        - relude < 1
         - shellmet
         - shortcut-links
         - summoner < 0 # neat-interpolation-0.4