diff --git a/.github/workflows/add-performance-comment.yml b/.github/workflows/add-performance-comment.yml
index 6a310bff4c0a1..f33c087a12e87 100644
--- a/.github/workflows/add-performance-comment.yml
+++ b/.github/workflows/add-performance-comment.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Add comment to PR
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           github-token: ${{secrets.GITHUB_TOKEN}}
           script: |
diff --git a/.github/workflows/benchmark-pull-request.yml b/.github/workflows/benchmark-pull-request.yml
index 0f74c07ad6464..1d59ba0149741 100644
--- a/.github/workflows/benchmark-pull-request.yml
+++ b/.github/workflows/benchmark-pull-request.yml
@@ -28,7 +28,7 @@ jobs:
           echo "USER_TAGS=pull_request_number:${{ github.event.issue.number }},repository:OpenSearch" >> $GITHUB_ENV
       - name: Check comment format
         id: check_comment
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');
@@ -68,7 +68,7 @@ jobs:
             }
       - name: Post invalid format comment
         if: steps.check_comment.outputs.invalid == 'true'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           github-token: ${{secrets.GITHUB_TOKEN}}
           script: |
@@ -85,7 +85,7 @@ jobs:
           exit 1
       - name: Get PR Details
         id: get_pr
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const issue = context.payload.issue;
@@ -111,7 +111,7 @@ jobs:
           echo "prHeadRepo=$headRepo" >> $GITHUB_ENV
           echo "prHeadRefSha=$headRefSha" >> $GITHUB_ENV
       - id: get_approvers
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           result-encoding: json
@@ -169,7 +169,7 @@ jobs:
           cat $GITHUB_ENV
           bash opensearch-build/scripts/benchmark/benchmark-pull-request.sh -t ${{ secrets.JENKINS_PR_BENCHMARK_GENERIC_WEBHOOK_TOKEN }} -u ${{ secrets.JENKINS_GITHUB_USER}} -p ${{ secrets.JENKINS_GITHUB_USER_TOKEN}}
       - name: Update PR with Job Url
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
diff --git a/.github/workflows/delete_backport_branch.yml b/.github/workflows/delete_backport_branch.yml
index 7923bac599888..95ea6128d1d52 100644
--- a/.github/workflows/delete_backport_branch.yml
+++ b/.github/workflows/delete_backport_branch.yml
@@ -12,7 +12,7 @@ jobs:
     if: github.repository == 'opensearch-project/OpenSearch' && (startsWith(github.event.pull_request.head.ref,'backport/') || startsWith(github.event.pull_request.head.ref,'release-chores/'))
     steps:
     - name: Delete merged branch
-      uses: actions/github-script@v7
+      uses: actions/github-script@v8
       with:
         script: |
           github.rest.git.deleteRef({
diff --git a/.github/workflows/gradle-check.yml b/.github/workflows/gradle-check.yml
index 1f4a30fa98f36..78c47dc32e697 100644
--- a/.github/workflows/gradle-check.yml
+++ b/.github/workflows/gradle-check.yml
@@ -61,7 +61,7 @@ jobs:
           echo "post_merge_action=false" >> $GITHUB_ENV
 
       # to get the PR data that can be used for post merge actions
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         if: github.event_name == 'push'
         id: get_pr_data
         with:
diff --git a/.github/workflows/triage.yml b/.github/workflows/triage.yml
index c305818bdb0a9..b8de084a6c01d 100644
--- a/.github/workflows/triage.yml
+++ b/.github/workflows/triage.yml
@@ -9,7 +9,7 @@ jobs:
     if: github.repository == 'opensearch-project/OpenSearch'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         with:
           script: |
             const { issue, repository } = context.payload;
diff --git a/.github/workflows/version.yml b/.github/workflows/version.yml
index f39b931c34ad9..fe95cc9cb9adb 100644
--- a/.github/workflows/version.yml
+++ b/.github/workflows/version.yml
@@ -103,7 +103,7 @@ jobs:
 
       - name: Create tracking issue
         id: create-issue
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const body = `
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d2a01bfaa1623..90279bf2b3ae1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -96,6 +96,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Deprecated existing constructors in DocStats and StoreStats in favor of the new Builder ([#19863](https://github.com/opensearch-project/OpenSearch/pull/19863))
 - Deprecated existing constructors in Condition.Stats and DirectoryFileTransferTracker.Stats in favor of the new Builder ([#19862](https://github.com/opensearch-project/OpenSearch/pull/19862))
 - Deprecated existing constructors in RemoteTranslogTransferTracker.Stats and RemoteSegmentTransferTracker.Stats in favor of the new Builder ([#19837](https://github.com/opensearch-project/OpenSearch/pull/19837))
+- Bump `actions/github-script` from 7 to 8 ([#19946](https://github.com/opensearch-project/OpenSearch/pull/19946))
 - Bump `com.google.api:gax-httpjson` from 2.69.0 to 2.72.1 ([#19943](https://github.com/opensearch-project/OpenSearch/pull/19943))
 
 ### Removed