diff --git a/.github/workflows/branch-cleanup.yml b/.github/workflows/branch-cleanup.yml
index aae2a35d..0d3b01b7 100644
--- a/.github/workflows/branch-cleanup.yml
+++ b/.github/workflows/branch-cleanup.yml
@@ -19,7 +19,7 @@ jobs:
     
     steps:
       - name: Delete merged branch
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           script: |
             const protectedPattern = /^(main|master|dev|develop|staging|production)$/;
diff --git a/.github/workflows/enginescript-build-test.yml b/.github/workflows/enginescript-build-test.yml
index 403534ff..6dd4f10d 100644
--- a/.github/workflows/enginescript-build-test.yml
+++ b/.github/workflows/enginescript-build-test.yml
@@ -759,7 +759,7 @@ jobs:
 
       - name: Create Issue Report for Failed Build
         if: failure() && steps.report-test-results.outputs.TEST_FAILED == 'true'
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           script: |
             const fs = require('fs');
@@ -966,7 +966,7 @@ jobs:
 
       - name: Comment on PR
         if: github.event_name == 'pull_request' && always()
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           script: |
             const fs = require('fs');
diff --git a/.github/workflows/issue-automation.yml b/.github/workflows/issue-automation.yml
index c089da5f..5cc6b9aa 100644
--- a/.github/workflows/issue-automation.yml
+++ b/.github/workflows/issue-automation.yml
@@ -49,7 +49,7 @@ jobs:
             Body: ${{ env.ISSUE_BODY }}
 
       - name: Upsert guidance comment
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         env:
           AI_SUMMARY: ${{ steps.inference.outputs.response }}
         with: