diff --git a/.github/workflows/dist/index.js b/.github/workflows/dist/index.js
index 73b5ae5e2028..16ffc3da8547 100644
--- a/.github/workflows/dist/index.js
+++ b/.github/workflows/dist/index.js
@@ -45291,7 +45291,10 @@ class DeltaCommand extends GenericCommand {
             deltaFs.writeTextFile(`release_notes.md`);
         }
         else {
-            const timestamp = new Date();
+            const releaseTs = process.env.RELEASE_TIMESTAMP;
+            const timestamp = releaseTs
+                ? (() => { const m = releaseTs.match(/^(\d{4}-\d{2}-\d{2})_(\d{2})00Z$/); return m ? new Date(`${m[1]}T${m[2]}:00:00Z`) : new Date(); })()
+                : new Date();
             const delta = await git_Git.newDeltaFromGitHistory(options.start);
             // console.log(`delta=${JSON.stringify(delta, null, 2)}`);
             console.log(delta.toText());
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7f7194bb4ea6..500c8e01fb8a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -68,6 +68,8 @@ jobs:
           skip_unpack: true
           if_no_artifact_found: fail
       - name: build delta files
+        env:
+          RELEASE_TIMESTAMP: ${{ needs.generate-name.outputs.v_current_run_timestamp }}
         run: |
           ls ./.github/workflows/dist
           node ./.github/workflows/dist/index.js delta