diff --git a/program/updater.py b/program/updater.py
new file mode 100644
index 0000000..1c35e16
--- /dev/null
+++ b/program/updater.py
@@ -0,0 +1,62 @@
+import os
+import sys
+
+from git import Repo
+from pyrogram.types import Message
+from driver.filters import command
+from pyrogram import Client, filters
+from os import system, execle, environ
+from driver.decorators import sudo_users_only
+from git.exc import InvalidGitRepositoryError
+from config import UPSTREAM_REPO, BOT_USERNAME
+
+
+def gen_chlog(repo, diff):
+    upstream_repo_url = Repo().remotes[0].config_reader.get("url").replace(".git", "")
+    ac_br = repo.active_branch.name
+    ch_log = tldr_log = ""
+    ch = f"<b>updates for <a href={upstream_repo_url}/tree/{ac_br}>[{ac_br}]</a>:</b>"
+    ch_tl = f"updates for {ac_br}:"
+    d_form = "%d/%m/%y || %H:%M"
+    for c in repo.iter_commits(diff):
+        ch_log += (
+            f"\n\n💬 <b>{c.count()}</b> 🗓 <b>[{c.committed_datetime.strftime(d_form)}]</b>\n<b>"
+            f"<a href={upstream_repo_url.rstrip('/')}/commit/{c}>[{c.summary}]</a></b> 👨‍💻 <code>{c.author}</code>"
+        )
+        tldr_log += f"\n\n💬 {c.count()} 🗓 [{c.committed_datetime.strftime(d_form)}]\n[{c.summary}] 👨‍💻 {c.author}"
+    if ch_log:
+        return str(ch + ch_log), str(ch_tl + tldr_log)
+    return ch_log, tldr_log
+
+
+def updater():
+    try:
+        repo = Repo()
+    except InvalidGitRepositoryError:
+        repo = Repo.init()
+        origin = repo.create_remote("upstream", UPSTREAM_REPO)
+        origin.fetch()
+        repo.create_head("main", origin.refs.main)
+        repo.heads.main.set_tracking_branch(origin.refs.main)
+        repo.heads.main.checkout(True)
+    ac_br = repo.active_branch.name
+    if "upstream" in repo.remotes:
+        ups_rem = repo.remote("upstream")
+    else:
+        ups_rem = repo.create_remote("upstream", UPSTREAM_REPO)
+    ups_rem.fetch(ac_br)
+    changelog, tl_chnglog = gen_chlog(repo, f"HEAD..upstream/{ac_br}")
+    return bool(changelog)
+
+
+@Client.on_message(command(["update", f"update@{BOT_USERNAME}"]) & ~filters.edited)
+async def update_repo(_, message: Message):
+    chat_id = message.chat.id
+    msg = await message.reply("🔄 `processing update...`")
+    update_avail = updater()
+    if update_avail:
+        await msg.edit("✅ update finished\n\n• bot restarted, back active again in 1 minutes.")
+        system("git pull -f && pip3 install -r requirements.txt")
+        execle(sys.executable, sys.executable, "main.py", environ)
+        return
+    await msg.edit("bot is **up-to-date** with [main](https://github.com/levina-lab/video-stream/tree/main)")