diff --git a/.github/workflows/deploy-selfhost.yml b/.github/workflows/deploy-selfhost.yml
index 11825740d..56a9f3b38 100644
--- a/.github/workflows/deploy-selfhost.yml
+++ b/.github/workflows/deploy-selfhost.yml
@@ -60,7 +60,7 @@ jobs:
       # lockfile, making subsequent builds incremental (warm).
       - name: Cache Next.js build
         if: steps.secrets.outputs.configured == 'true'
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: .next/cache
           key: nextjs-${{ runner.os }}-${{ hashFiles('package-lock.json') }}-${{ github.sha }}