diff --git a/src/basic.md b/src/README.md
similarity index 100%
rename from src/basic.md
rename to src/README.md
diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index d95cc97..ff74387 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -1,6 +1,6 @@
 # 目次
 
-- [Jestではじめるテスト](basic.md)
+- [Jestではじめるテスト](README.md)
 - [Jestとは](about-jest.md)
 - [事前準備](preparation.md)
 - [はじめてのテスト](getting-started.md)