diff --git a/build-constraints.yaml b/build-constraints.yaml
index fa650e32..7bf309d3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2143,6 +2143,11 @@ packages:
         - midair
         - nano-erl
 
+    "Toshio Ito <debug.ito@gmail.com> @debug-ito":
+        - fold-debounce
+        - fold-debounce-conduit
+        - stopwatch 
+
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.
     # See https://github.com/fpco/stackage/issues/1056