diff --git a/.github/workflows/build-subtitle-cache.yml b/.github/workflows/build-subtitle-cache.yml
index ce4e08e6..e7b066ef 100644
--- a/.github/workflows/build-subtitle-cache.yml
+++ b/.github/workflows/build-subtitle-cache.yml
@@ -48,7 +48,7 @@ jobs:
       # restore-keys pulls in the most recent prior cache. SRTs are plain text
       # and stay on the runner only — they are never added to the release tarball.
       - name: Restore harvested-subtitle cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/.engram/cache/data
           key: subtitle-srt-${{ github.run_id }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1392042f..91e07e8e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -504,7 +504,7 @@ jobs:
         id: playwright-version
         run: echo "version=$(npx playwright --version | awk '{print $2}')" >> "$GITHUB_OUTPUT"
       - name: Cache Playwright browsers
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         id: playwright-cache
         with:
           path: ~/.cache/ms-playwright