diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..70dd9a0
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,4 @@
+* @takezoe
+
+build.sbt @xuwei-k
+project/* @xuwei-k