diff --git a/build-constraints.yaml b/build-constraints.yaml
index a7d933d3..87b2c090 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -630,7 +630,8 @@ packages:
 
     "Simon Michael <simon@joyful.com>":
         - hledger
-        - hledger-ui
+        # https://github.com/fpco/stackage/issues/938
+        # - hledger-ui
         - hledger-web
         - shelltestrunner