diff --git a/build-constraints.yaml b/build-constraints.yaml
index b7f88993..1d222fbc 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -256,7 +256,7 @@ packages:
         - conduit-combinators
         - conduit-extra
         - hebrew-time
-        - keter
+        # - keter # https://github.com/snoyberg/keter/issues/170
         - markdown
         - mime-mail
         - mime-mail-ses