diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3637a3f6..ecef277f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7313,6 +7313,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/6670
         - wai-middleware-delegate < 0.1.3
 
+        # https://github.com/commercialhaskell/stackage/issues/6672
+        - Cabal-syntax < 3.8.1
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of