diff --git a/build-constraints.yaml b/build-constraints.yaml
index c75edd7b..bb4244f9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4648,6 +4648,9 @@ packages:
         - skylighting < 0.8
         - skylighting-core < 0.8
 
+        # https://github.com/commercialhaskell/stackage/issues/4591
+        - servant-elm < 0.6
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of