diff --git a/build-constraints.yaml b/build-constraints.yaml
index a2bd196a..4bf5099e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -10,8 +10,7 @@ packages:
         - conduit-combinators
         - conduit-extra
         - hebrew-time
-        # https://github.com/fpco/stackage/issues/717
-        - keter < 0.4.3
+        - keter
         - markdown
         - mime-mail
         - mime-mail-ses