diff --git a/build-constraints.yaml b/build-constraints.yaml
index c2ebf7b7..d2d229a4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2858,7 +2858,7 @@ packages:
         - numhask-range
         - perf
         - online
-        # - chart-unit # lens 4.16 via diagrams
+        # - chart-unit # via generic-lens-labels-0.1.0.2, https://github.com/commercialhaskell/stackage/pull/3711
 
     "Iphigenia Df <iphydf@gmail.com> @iphydf":
         - data-msgpack