diff --git a/build-constraints.yaml b/build-constraints.yaml
index eddab357..aea5053e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -279,8 +279,7 @@ packages:
         #- compensated
         - compressed
         - concurrent-supply
-        # https://github.com/fpco/stackage/issues/973
-        - constraints < 0.6
+        - constraints
         - contravariant
         - distributive
         - either