diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index c83e263..d06a62f 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -1,3 +1,8 @@
 {
-  "recommendations": ["esbenp.prettier-vscode"]
+  "recommendations": [
+    "esbenp.prettier-vscode",
+    "MS-CEINTL.vscode-language-pack-ja",
+    "yzhang.markdown-all-in-one",
+    "mhutchie.git-graph"
+  ]
 }