diff --git a/.github/workflows/update-javadoc.yml b/.github/workflows/update-javadoc.yml
index 5f5bffda..9df6f0d6 100644
--- a/.github/workflows/update-javadoc.yml
+++ b/.github/workflows/update-javadoc.yml
@@ -8,16 +8,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Source Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Java
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: 8
       - name: Build Javadoc
         run: ./gradlew --no-configuration-cache dokkaJavadoc
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./build/dokka/javadoc