diff --git a/build-constraints.yaml b/build-constraints.yaml
index 05cf82e0..17057765 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1159,6 +1159,7 @@ packages:
         - bugsnag-yesod
         - gravatar
         - load-env
+        - shellwords
         - yesod-markdown
         - yesod-paginator