diff --git a/build-constraints.yaml b/build-constraints.yaml
index 72749976..2e469d90 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -44,7 +44,7 @@ packages:
         - arrowp-qq
         - clr-marshal
         - clr-host
-        - hexml-lens
+        # hexml-lens # via snap-server, https://github.com/fpco/stackage/issues/2738
         - hp2pretty # With permission of Claude Heiland-Allend
         - floatshow # https://bitbucket.org/dafis/floatshow/issues/1/add-to-stackage
         # - threepenny-editors # GHC 8.2.1 via threepenny-gui