diff --git a/.github/workflows/pr-review-reusable.yml b/.github/workflows/pr-review-reusable.yml
index 1dbf147..48f8a58 100644
--- a/.github/workflows/pr-review-reusable.yml
+++ b/.github/workflows/pr-review-reusable.yml
@@ -68,7 +68,7 @@ jobs:
     - name: Check for prior run on this PR/SHA
       id: pr-review-cache
       if: github.event_name == 'pull_request'
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: .pr-review-marker
         key: pr-review-${{ github.repository_id }}-pr-${{ github.event.pull_request.number }}-${{ github.sha }}
diff --git a/.github/workflows/pr-review.yml b/.github/workflows/pr-review.yml
index b398b50..6a14ac2 100644
--- a/.github/workflows/pr-review.yml
+++ b/.github/workflows/pr-review.yml
@@ -43,7 +43,7 @@ jobs:
     - name: Check for prior run on this PR/SHA (PR trigger)
       id: pr-review-cache
       if: github.event_name == 'pull_request'
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: .pr-review-marker
         key: pr-review-${{ github.repository_id }}-pr-${{ github.event.pull_request.number }}-${{ github.sha }}