diff --git a/build-constraints.yaml b/build-constraints.yaml
index befe484c..b3a66c25 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4927,6 +4927,7 @@ packages:
       - dhall-bash < 1.0.32
       - dhall-nix < 1.1.16
       - dhall-json < 1.7.1
+      - dhall-lsp-server < 1.0.9
 
       # https://github.com/commercialhaskell/stackage/issues/5581
       - unordered-containers < 0.2.12.0