diff --git a/.github/workflows/auto-response.yml b/.github/workflows/auto-response.yml
index 115c1dd..6abe8eb 100644
--- a/.github/workflows/auto-response.yml
+++ b/.github/workflows/auto-response.yml
@@ -20,7 +20,7 @@ jobs:
       issues: write
     steps:
       - name: Apply contributor tier label for issue author
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const owner = context.repo.owner;
@@ -156,7 +156,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Handle label-driven responses
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const label = context.payload.label?.name;
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index 60bfc1c..c1cdfcd 100644
--- a/.github/workflows/labeler.yml
+++ b/.github/workflows/labeler.yml
@@ -20,7 +20,7 @@ jobs:
           sync-labels: true
 
       - name: Apply size/risk/module labels
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const pr = context.payload.pull_request;
diff --git a/.github/workflows/pr-hygiene.yml b/.github/workflows/pr-hygiene.yml
index 0fa716d..543e344 100644
--- a/.github/workflows/pr-hygiene.yml
+++ b/.github/workflows/pr-hygiene.yml
@@ -22,7 +22,7 @@ jobs:
       STALE_HOURS: "48"
     steps:
       - name: Nudge PRs that need rebase or CI refresh
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const staleHours = Number(process.env.STALE_HOURS || "48");