diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7fbd3b1e..6f9be0fe 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3360,6 +3360,10 @@ packages:
         - webdriver
         - cond
 
+    "Naoto Shimazaki <naoto.shimazaki@gmail.com> @igy":
+        - thread-hierarchy
+        - bitset-word8
+
     "Deni Bertovic <deni@denibertovic.com> @denibertovic, James Parker <dev@jamesparker.me>":
         - docker