diff --git a/build-constraints.yaml b/build-constraints.yaml
index 15629fa34..0b47c9687 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8473,6 +8473,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/7503
         - path < 0.9.6
+
+        # https://github.com/commercialhaskell/stackage/issues/7504
+        - nothunks < 0.3
     # end of Stackage upper bounds
 # end of packages