diff --git a/.github/workflows/benchmark-manual.yml b/.github/workflows/benchmark-manual.yml
index 7a3c2f1..be63993 100644
--- a/.github/workflows/benchmark-manual.yml
+++ b/.github/workflows/benchmark-manual.yml
@@ -136,7 +136,7 @@ jobs:
 
       - name: Post results to PR
         if: github.event_name == 'workflow_dispatch' && github.event.inputs.post_comment == 'true' && github.event.inputs.pr_number
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');
diff --git a/.github/workflows/benchmark-on-merge.yml b/.github/workflows/benchmark-on-merge.yml
index f28e74b..064bbb4 100644
--- a/.github/workflows/benchmark-on-merge.yml
+++ b/.github/workflows/benchmark-on-merge.yml
@@ -96,7 +96,7 @@ jobs:
           echo "EOF" >> $GITHUB_OUTPUT
 
       - name: Post benchmark results to PR
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');
diff --git a/.github/workflows/benchmark-pr.yml b/.github/workflows/benchmark-pr.yml
index d44471b..302221c 100644
--- a/.github/workflows/benchmark-pr.yml
+++ b/.github/workflows/benchmark-pr.yml
@@ -46,7 +46,7 @@ jobs:
 
       - name: Fetch PR details for comment trigger
         if: github.event_name == 'issue_comment'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         id: pr_details
         with:
           script: |