diff --git a/build-constraints.yaml b/build-constraints.yaml
index d7662947..b98d781b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -958,6 +958,8 @@ packages:
         # Not a maintainer
         - haxl
         - monad-time
+        - hashable
+        - unordered-containers
 
         # fft
         - carray