diff --git a/build-constraints.yaml b/build-constraints.yaml
index e8dfa9c7..f521847f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -18,6 +18,7 @@ packages:
         - microlens-process
 
     "Matthieu Monsch <mtth@apache.org> @mtth":
+        - flags-applicative
         - more-containers
         - tracing