diff --git a/README.md b/README.md
index 680285d..0a68e78 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ virtualenv -p python3 .
 Install the dependencies:
 
 ```shell
-pip install tweepy pytoml Mastodon.py bottle pyjwt pylibscrypt Markdown twx
+pip install tweepy pytoml Mastodon.py bottle pyjwt pylibscrypt Markdown twx gitpython
 ```
 
 Configure the bot:
diff --git a/frontend.py b/frontend.py
index 37144d3..8f86d1e 100755
--- a/frontend.py
+++ b/frontend.py
@@ -63,6 +63,13 @@ def confirm(city, token):
     return dict(error='Email confirmation failed.')
 
 
+@get('/version')
+def version():
+    import git
+    repo = git.Repo(search_parent_directories=True)
+    return repo.head.object.hexsha
+
+
 @post('/login')
 @view('template/login.tpl')
 def login_post():