diff --git a/build-constraints.yaml b/build-constraints.yaml
index 74ca6b8f..e726ad6f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -338,7 +338,7 @@ packages:
     "Omari Norman <omari@smileystation.com> @massysett":
         # - rainbow # GHC 8.2.1 via lens-simple
         # - rainbox # GHC 8.2.1 via lens-simple
-        - anonymous-sums
+        # - anonymous-sums # https://github.com/massysett/anonymous-sums/issues/1
         - multiarg
         # - prednote # GHC 8.2.1 via lens-simple
         - cartel