diff --git a/.github/workflows/link-checker-prs.yml b/.github/workflows/link-checker-prs.yml
index 0db1b0734..83570ec52 100644
--- a/.github/workflows/link-checker-prs.yml
+++ b/.github/workflows/link-checker-prs.yml
@@ -29,7 +29,7 @@ jobs:
           echo "MARKDOWN_FILES=$md_files" >> $GITHUB_ENV
 
       - name: Restore lychee cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: .lycheecache
           key: cache-lychee-${{ github.sha }}
diff --git a/.github/workflows/link-checker.yml b/.github/workflows/link-checker.yml
index 46d22bd82..5d5e4f82c 100644
--- a/.github/workflows/link-checker.yml
+++ b/.github/workflows/link-checker.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Restore lychee cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: .lycheecache
           key: cache-lychee-${{ github.sha }}