diff --git a/build-constraints.yaml b/build-constraints.yaml
index 85fef0a4..017f418b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4745,10 +4745,12 @@ packages:
         - parser-combinators       < 1.2.0
         - parser-combinators-tests < 1.2.0
 
+        # https://github.com/commercialhaskell/stackage/issues/4740
         - dhall < 1.25.0
         - dhall-bash < 1.0.22
         - dhall-json < 1.4.0
 
+        # https://github.com/commercialhaskell/stackage/issues/4739
         - doctemplates < 0.3