diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6f00f84e..38cfab6c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -120,7 +120,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: sora_sdk_${{ matrix.python_version }}
           path: sora_sdk/
@@ -195,7 +195,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: sora_sdk_${{ matrix.python_version }}
           path: sora_sdk/
@@ -253,7 +253,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: sora_sdk_${{ matrix.python_version }}
           path: sora_sdk/
@@ -295,7 +295,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: sora_sdk_${{ matrix.python_version }}
           path: sora_sdk/
@@ -369,7 +369,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: ${{ matrix.platform.name }}_python-${{ matrix.python_version }}
           path: dist
diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index 982de4c8..052063d7 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -153,7 +153,7 @@ jobs:
 
       # Wheel ファイルのダウンロード (build.yml から呼び出された場合: 呼び出し元の artifact を使用)
       - if: inputs.from_build == true
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: ${{ matrix.platform.wheel_platform }}_python-${{ matrix.python_version }}
           path: dist/