diff --git a/build-constraints.yaml b/build-constraints.yaml
index f6ba7b4a..927b6697 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7,6 +7,10 @@ cabal-format-version: "1.24"
 
 # Constraints for brand new builds
 packages:
+    "Ferdinand van Walree <ferdinandvwalree@gmail.com> @Ferdinand-vW":
+        - sessiontypes
+        - sessiontypes-distributed
+
     "Jacob Thomas Errington <tsani@mail.jerrington.me> @tsani":
         - servant-github-webhook