diff --git a/.github/workflows/rebuild.yml b/.github/workflows/rebuild.yml
index f4c2230e9..de01727f5 100644
--- a/.github/workflows/rebuild.yml
+++ b/.github/workflows/rebuild.yml
@@ -97,7 +97,7 @@ jobs:
         working-directory: pr-checks
         run: |
           npm ci
-          npx tsx sync_back.ts --verbose
+          npx tsx sync-back.ts --verbose
 
       - name: Generate workflows
         working-directory: pr-checks
diff --git a/pr-checks/sync_back.test.ts b/pr-checks/sync-back.test.ts
similarity index 99%
rename from pr-checks/sync_back.test.ts
rename to pr-checks/sync-back.test.ts
index 316d2b730..07d9f1b54 100755
--- a/pr-checks/sync_back.test.ts
+++ b/pr-checks/sync-back.test.ts
@@ -1,7 +1,7 @@
 #!/usr/bin/env npx tsx
 
 /*
-Tests for the sync_back.ts script
+Tests for the sync-back.ts script
 */
 
 import * as assert from "node:assert/strict";
@@ -14,7 +14,7 @@ import {
   scanGeneratedWorkflows,
   updateSyncTs,
   updateTemplateFiles,
-} from "./sync_back";
+} from "./sync-back";
 
 let testDir: string;
 let workflowDir: string;
diff --git a/pr-checks/sync_back.ts b/pr-checks/sync-back.ts
similarity index 100%
rename from pr-checks/sync_back.ts
rename to pr-checks/sync-back.ts