diff --git a/build-constraints.yaml b/build-constraints.yaml
index 37905983..d708fac5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6898,6 +6898,9 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/5956
       - pandoc < 2.13
 
+      # https://github.com/commercialhaskell/stackage/issues/5959
+      - attoparsec < 0.14.1
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of