diff --git a/README.md b/README.md
index 69626821..13da95f4 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,5 @@
-UniTask
+# UniTask
+
+[![CircleCI](https://circleci.com/gh/Cysharp/UniTask.svg?style=svg)](https://circleci.com/gh/Cysharp/UniTask)
+
+WIP.