diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 6a9f306..86c7b65 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -12,7 +12,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-node@v4
       with:
-        node-version: 17
+        node-version: 16
         ref: main
         submodules: true
         fetch-depth: 0
diff --git a/readme.md b/readme.md
index e4dfe7d..684cefd 100644
--- a/readme.md
+++ b/readme.md
@@ -3,7 +3,7 @@
 - host : [card.syui.ai](https://card.syuiai)
 
 ```sh
-$ nvm use 21
+$ nvm use 16
 $ yarn install
 $ yarn dev
 ```