diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
index 1dcdbd0..4b320dd 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/build-docs.yml
@@ -11,7 +11,7 @@ jobs:
       # build docs on node 22 because
       # https://github.com/naver/jsdoc-to-mdx/issues/20
       - name: Install Node JS 22
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22
 
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5d78ecc..6153960 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
       - run: echo "build_status_color=red" >> $GITHUB_ENV
 
       - name: Install Node JS ${{ matrix.node }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node }}