diff --git a/build-constraints.yaml b/build-constraints.yaml
index 56fef56d..66733d3b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -504,6 +504,7 @@ packages:
         - text-generic-pretty < 0 # GHC 8.4 via ixset-typed
 
     "Li-yao Xia <lysxia@gmail.com> @Lysxia":
+        - ap-normalize
         - boltzmann-samplers
         - first-class-families
         - generic-data