diff --git a/build-constraints.yaml b/build-constraints.yaml
index 21460358..9ef1970a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -634,6 +634,7 @@ packages:
     "Li-yao Xia <lysxia@gmail.com> @Lysxia":
         - ap-normalize
         - boltzmann-samplers
+        - diff-loc
         - first-class-families
         - fcf-family
         - generic-data