diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 58feadc..64bfa20 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
           node-version: "24"
       - uses: pnpm/action-setup@v4
       - run: pnpm install --frozen-lockfile
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: .turbo
           key: turbo-quality-${{ runner.os }}-${{ hashFiles('pnpm-lock.yaml') }}-${{ github.sha }}
@@ -44,7 +44,7 @@ jobs:
           node-version: "24"
       - uses: pnpm/action-setup@v4
       - run: pnpm install --frozen-lockfile
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: .turbo
           key: turbo-docs-${{ runner.os }}-${{ hashFiles('pnpm-lock.yaml') }}-${{ github.sha }}
@@ -87,7 +87,7 @@ jobs:
           # Do NOT set registry-url — it creates an .npmrc that overrides OIDC
       - uses: pnpm/action-setup@v4
       - run: pnpm install --frozen-lockfile
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: .turbo
           key: turbo-release-${{ runner.os }}-${{ hashFiles('pnpm-lock.yaml') }}-${{ github.sha }}