diff --git a/.github/workflows/timezone-update.yml b/.github/workflows/timezone-update.yml
index d7c9305325f8..11fecf8c8791 100644
--- a/.github/workflows/timezone-update.yml
+++ b/.github/workflows/timezone-update.yml
@@ -1,8 +1,8 @@
 name: Timezone update
 on:
-  schedule:
-    # Run once a week at 00:05 AM UTC on Sunday.
-    - cron: 5 0 * * 0
+  push:
+    branches:
+      - fix-timezone-update-workflow-tool
 
   workflow_dispatch:
 
@@ -15,7 +15,6 @@ jobs:
       contents: write  # to push local changes (gr2m/create-or-update-pull-request-action)
       pull-requests: write  # to create a PR (gr2m/create-or-update-pull-request-action)
 
-    if: github.repository == 'nodejs/node'
     runs-on: ubuntu-latest
 
     steps:
@@ -36,20 +35,16 @@ jobs:
       - name: Open Pull Request
         uses: gr2m/create-or-update-pull-request-action@6720400cad8e74d7adc64640e4e6ea6748b83d8f  # Create a PR or update the Action's existing PR
         env:
-          GITHUB_TOKEN: ${{ secrets.GH_USER_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           author: Node.js GitHub Bot <github-bot@iojs.org>
           body: |
             This PR was generated by tools/timezone-update.yml.
-
             Updates the ICU files as per the instructions present in https://github.com/nodejs/node/blob/main/doc/contributing/maintaining-icu.md#time-zone-data
-
             To test, build node off this branch & log the version of tz using
             ```js
             console.log(process.versions.tz)
             ```
-          branch: actions/timezone-update
+          branch: test/action/timezone-update
           commit-message: 'deps: update timezone'
-          labels: dependencies
           title: 'deps: update timezone'
-          reviewers: \@nodejs/i18n-api
diff --git a/deps/icu-small/source/data/in/icudt71l.dat.bz2 b/deps/icu-small/source/data/in/icudt71l.dat.bz2
index b08a91229ae4..ae58e803ed57 100644
Binary files a/deps/icu-small/source/data/in/icudt71l.dat.bz2 and b/deps/icu-small/source/data/in/icudt71l.dat.bz2 differ
diff --git a/tools/update-timezone.mjs b/tools/update-timezone.mjs
index 33da42f4e983..b0bde95d240d 100755
--- a/tools/update-timezone.mjs
+++ b/tools/update-timezone.mjs
@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 // Usage: tools/update-timezone.mjs
-import { execSync, spawnSync } from 'node:child_process';
+import { execSync } from 'node:child_process';
 import { renameSync, readdirSync, rmSync } from 'node:fs';
 import { exit } from 'node:process';
 
@@ -26,13 +26,7 @@ if (latestVersion === currentVersion) {
 execSync('bzip2 -d deps/icu-small/source/data/in/icudt*.dat.bz2');
 fileNames.forEach((file) => {
   renameSync(`icu-data/tzdata/icunew/${latestVersion}/44/le/${file}`, `deps/icu-small/source/data/in/${file}`);
-  spawnSync(
-    'icupkg', [
-      '-a',
-      file,
-      'icudt*.dat',
-    ], { cwd: 'deps/icu-small/source/data/in/' }
-  );
+  console.log(execSync(`icupkg -a ${file} icudt*.dat`, { cwd: 'deps/icu-small/source/data/in/' }));
   rmSync(`deps/icu-small/source/data/in/${file}`);
 });
 execSync('bzip2 -z deps/icu-small/source/data/in/icudt*.dat');