diff --git a/.github/workflows/rebuild.yml b/.github/workflows/rebuild.yml
index b3c40dd7f..cfce78713 100644
--- a/.github/workflows/rebuild.yml
+++ b/.github/workflows/rebuild.yml
@@ -77,7 +77,7 @@ jobs:
           cd pr-checks
           python -m pip install --upgrade pip
           pip install ruamel.yaml==0.17.31
-          python3 sync-back.py
+          python3 sync_back.py
           python3 sync.py
 
       - name: "Merge in progress: Finish merge and push"
diff --git a/pr-checks/readme.md b/pr-checks/readme.md
index 042e288e0..58c6b9412 100644
--- a/pr-checks/readme.md
+++ b/pr-checks/readme.md
@@ -27,10 +27,10 @@ To sync action versions from generated workflows back to source templates:
 
 ```bash
 # Dry run to see what would be changed
-python3 pr-checks/sync-back.py --dry-run --verbose
+python3 pr-checks/sync_back.py --dry-run --verbose
 
 # Actually apply the changes
-python3 pr-checks/sync-back.py
+python3 pr-checks/sync_back.py
 ```
 
 The sync-back script automatically updates:
diff --git a/pr-checks/sync-back.py b/pr-checks/sync_back.py
similarity index 100%
rename from pr-checks/sync-back.py
rename to pr-checks/sync_back.py
diff --git a/pr-checks/test_sync_back.py b/pr-checks/test_sync_back.py
index eeb525870..37fc03133 100644
--- a/pr-checks/test_sync_back.py
+++ b/pr-checks/test_sync_back.py
@@ -1,22 +1,20 @@
 #!/usr/bin/env python3
 """
-Tests for the sync-back.py script
+Tests for the sync_back.py script
 """
 
 import os
-import tempfile
 import shutil
-import unittest
-from pathlib import Path
-from unittest.mock import patch
 import sys
+import tempfile
+import unittest
 
 # Add the current directory to sys.path and import the sync_back module
 sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
 
 # Import the sync-back module
 import importlib.util
-spec = importlib.util.spec_from_file_location("sync_back", os.path.join(os.path.dirname(__file__), "sync-back.py"))
+spec = importlib.util.spec_from_file_location("sync_back", os.path.join(os.path.dirname(__file__), "sync_back.py"))
 sync_back = importlib.util.module_from_spec(spec)
 spec.loader.exec_module(sync_back)