diff --git a/.github/workflows/Android.yml b/.github/workflows/Android.yml
index 2bbd807..c93a2ff 100644
--- a/.github/workflows/Android.yml
+++ b/.github/workflows/Android.yml
@@ -45,7 +45,7 @@ jobs:
           
       - name: Cache SDL2
         id: cache-sdl2
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             Builder/Android/app/jni/SDL
diff --git a/.github/workflows/Windows_x86_x64_arm64.yml b/.github/workflows/Windows_x86_x64_arm64.yml
index 9c550c2..cc1bcec 100644
--- a/.github/workflows/Windows_x86_x64_arm64.yml
+++ b/.github/workflows/Windows_x86_x64_arm64.yml
@@ -35,7 +35,7 @@ jobs:
       # SDL2 のセットアップをキャッシュし、必要ならスクリプトで実行
       - name: Cache SDL2
         id: cache-sdl2
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: Builder/Windows/SDL2
           key: ${{ runner.os }}-sdl2-${{ hashFiles('Builder/Windows/setup_sdl2.ps1') }}