diff --git a/scripts/migrations/002_migrate_github_activity_timestamps.js b/scripts/migrations/002_migrate_github_activity_timestamps.js
index f65ff191..1f277706 100644
--- a/scripts/migrations/002_migrate_github_activity_timestamps.js
+++ b/scripts/migrations/002_migrate_github_activity_timestamps.js
@@ -16,12 +16,15 @@ async function main() {
     files.map(async (file) => {
       const filePath = path.join(githubDataPath, file);
       const data = JSON.parse(await readFile(filePath));
+
+      data.last_updated = new Date(data.last_updated * 1000).toISOString();
       data.activity = data.activity.map((entry) => {
         return {
           ...entry,
           time: new Date(entry.time * 1000).toISOString(),
         };
       });
+
       await writeFile(filePath, JSON.stringify(data, undefined, "  "), {
         encoding: "utf-8",
       });