diff --git a/.github/workflows/release-upload.yaml b/.github/workflows/release-upload.yaml
index 85ac909..e3054e9 100644
--- a/.github/workflows/release-upload.yaml
+++ b/.github/workflows/release-upload.yaml
@@ -43,7 +43,7 @@ jobs:
           fetch-depth: 0
 
       # Cache the Unity Library folder to speed up subsequent builds.
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: Library
           key: Library-${{ matrix.targetPlatform }}
diff --git a/.github/workflows/test-and-build.yaml b/.github/workflows/test-and-build.yaml
index 02e347b..6b4f5c2 100644
--- a/.github/workflows/test-and-build.yaml
+++ b/.github/workflows/test-and-build.yaml
@@ -71,7 +71,7 @@ jobs:
           fetch-depth: 0
 
       # Cache Unity Library folder.
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: Library
           key: Library-${{ matrix.targetPlatform }}