diff --git a/build-constraints.yaml b/build-constraints.yaml
index 11583387..81170de7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6747,6 +6747,9 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/6243
       - jose < 0.9
 
+      # https://github.com/commercialhaskell/stackage/issues/6251
+      - pandoc < 2.15
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of