diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4d20813b..9f4cc2ea 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2988,6 +2988,7 @@ packages:
         - minio-hs
 
     "ncaq <ncaq@ncaq.net> @ncaq":
+        - debug-trace-var
         # - haskell-import-graph # fgl via graphviz
         - string-transform
         - uniq-deep