diff --git a/build-constraints.yaml b/build-constraints.yaml
index 485bb34c..55efd520 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3577,6 +3577,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/3763
         - doctest < 0.16
 
+        # https://github.com/commercialhaskell/stackage/issues/3771
+        - relational-query < 0.12.0.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of