diff --git a/pyproject.toml b/pyproject.toml
index 00d33b71f..06003dc3b 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,6 +63,7 @@ exclude = [
   ".next",
   "dist",
   "build",
+  "hostexecutor",
 ]
 
 [tool.ruff.lint]