diff --git a/build-constraints.yaml b/build-constraints.yaml
index 63335f98..fb30ac45 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4754,6 +4754,9 @@ packages:
       - optics-th < 0.3
       - optics < 0.3
       - optics-vl < 0.2.1
+
+      # https://github.com/commercialhaskell/stackage/issues/5316
+      - dunai < 0.7.0
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of