diff --git a/build-constraints.yaml b/build-constraints.yaml
index 332562e0..c33704ae 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4187,6 +4187,9 @@ packages:
     "Vaclav Svejcar <vaclav.svejcar@gmail.com> @vaclavsvejcar":
         - headroom
 
+    "Adrian Sieber <stackage@ad-si.com> @ad-si":
+        - ulid
+
     "Grandfathered dependencies":
         - network
         - Boolean