diff --git a/.github/workflows/check-links.yml b/.github/workflows/check-links.yml
index bebe726..6c7f5ed 100644
--- a/.github/workflows/check-links.yml
+++ b/.github/workflows/check-links.yml
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Restore lychee cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: .lycheecache
           key: lychee-${{ github.sha }}
@@ -49,7 +49,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Restore lychee cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: .lycheecache
           key: lychee-external-${{ github.sha }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b9baec9..889f637 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -130,7 +130,7 @@ jobs:
         with:
           node-version: 26
       - run: corepack enable pnpm
-      - uses: actions/cache@v4
+      - uses: actions/cache@v6
         with:
           path: ~/.local/share/pnpm/store
           key: pnpm-${{ runner.os }}-${{ hashFiles('frontend/pnpm-lock.yaml') }}
@@ -154,7 +154,7 @@ jobs:
         with:
           node-version: 26
       - run: corepack enable pnpm
-      - uses: actions/cache@v4
+      - uses: actions/cache@v6
         with:
           path: ~/.local/share/pnpm/store
           key: pnpm-${{ runner.os }}-${{ hashFiles('frontend/pnpm-lock.yaml') }}
@@ -205,7 +205,7 @@ jobs:
         with:
           node-version: 26
       - run: corepack enable pnpm
-      - uses: actions/cache@v4
+      - uses: actions/cache@v6
         with:
           path: ~/.local/share/pnpm/store
           key: pnpm-${{ runner.os }}-${{ hashFiles('frontend/pnpm-lock.yaml') }}