diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6ee3dae1..f4712ba9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7849,6 +7849,8 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/6808
         - nvim-hs < 2.3.2.0
 
+        # https://github.com/commercialhaskell/stackage/issues/6815
+        - polysemy < 1.8
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of