diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5d783ac..984a641 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
       - name: コードをチェックアウト
         uses: actions/checkout@v4
       - name: Java環境のセットアップ (JDK 8)
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v6
         with:
           java-version: '21'
           distribution: 'temurin'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 543d0bf..ec6e248 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ jobs:
       - name: コードをチェックアウト
         uses: actions/checkout@v4
       - name: Java環境のセットアップ (JDK 8)
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v6
         with:
           java-version: '21'
           distribution: 'temurin'