diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 9025a75..5834e20 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -1 +1,4 @@
-* @tatsutakein
+* @tatsutakein-jp/asis-quest-maintainers
+
+/.github/ @tatsutakein
+/tools/ @tatsutakein