diff --git a/.github/workflows/check-broken-links-schedule.yaml b/.github/workflows/check-broken-links-schedule.yaml
index e874965..cfeb952 100644
--- a/.github/workflows/check-broken-links-schedule.yaml
+++ b/.github/workflows/check-broken-links-schedule.yaml
@@ -19,7 +19,7 @@ jobs:
           fetch-depth: 0
 
       - name: Restore lychee cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .lycheecache
           key: cache-lychee-scheduled-${{ github.sha }}
diff --git a/.github/workflows/check-broken-links.yaml b/.github/workflows/check-broken-links.yaml
index 9aafd8a..3a20c9a 100644
--- a/.github/workflows/check-broken-links.yaml
+++ b/.github/workflows/check-broken-links.yaml
@@ -22,7 +22,7 @@ jobs:
 
       # Optimize caching strategy to reduce API requests
       - name: Restore lychee cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .lycheecache
           key: cache-lychee-${{ github.sha }}
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index bc97aa5..5bf5b27 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -40,7 +40,7 @@ jobs:
 
       # Cache Hugo's module/remote cache
       - name: Cache Hugo modules
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: /root/.cache/hugo
           key: ${{ runner.os }}-hugo-${{ hashFiles('**/go.mod', '**/go.sum') }}