diff --git a/twoot.py b/twoot.py
index 093c018..d7e8195 100755
--- a/twoot.py
+++ b/twoot.py
@@ -197,13 +197,24 @@ def update_profile(soup, db, mast_password):
         # Check if urls have changed
         if new_avatar_url == cur_avatar_url:
             new_avatar_url = None
+        else:
+            logging.info('avatar image changed on twitter profile')
         if new_banner_url == cur_banner_url:
             new_banner_url = None
+        else:
+            logging.info('banner image changed on twitter profile')
 
     mastodon = None
     if new_avatar_url is not None or new_banner_url is not None:
+        logging.info('updating profile on Mastodon')
         mastodon = login(mast_password)
-        # TODO  update profile on Mastodon
+        # Update profile on Mastodon
+        try:
+            mastodon.account_update_credentials(avatar=new_avatar_url, header=new_banner_url)
+        except Exception as e:
+            logging.error("Could not update profile")
+            logging.error(e)
+
         # TODO  update database
 
     return mastodon