diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..13935a6
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,5 @@
+# CODEOWNERS — automatically requests review from the listed owners on
+# every PR that touches matching paths. The last matching pattern wins.
+# Syntax reference: https://docs.github.com/en/repositories/managing-your-repositories-settings-and-security/customizing-your-repository/about-code-owners
+
+*  @stubehan