diff --git a/CODEOWNERS b/CODEOWNERS
new file mode 100644
index 00000000..8a41979b
--- /dev/null
+++ b/CODEOWNERS
@@ -0,0 +1,5 @@
+* @actions/actions-runtime
+
+/packages/artifact/   @actions/actions-service
+/packages/cache/      @actions/actions-service
+/packages/tool-cache/ @actions/spark
\ No newline at end of file