diff --git a/updatebot.py b/updatebot.py
index 8edfe53..945d28d 100644
--- a/updatebot.py
+++ b/updatebot.py
@@ -224,19 +224,25 @@ class Arguments:
     projects: list[str]
 
 
-def update_project(repo: git.Repo, name: str, project: Project) -> git.Commit:
+def update_project(
+    repo: git.Repo, name: str, project: Project
+) -> Optional[git.Commit]:
     basedir = Path(repo.working_dir)
     log.debug('Checking for latest version of %s', name)
     latest = project.source.get_latest_version()
     log.info('Found version %s for %s', latest, name)
     log.debug('Applying update for %s version %s', name, latest)
     path = basedir / (project.path or name)
-    log.debug('Committing changes to %s', path)
     project.apply_update(path, latest)
-    repo.index.add(str(path))
-    c = repo.index.commit(f'{name}: Update to {latest}')
-    log.info('Commited %s %s', str(c)[:7], c.summary)
-    return c
+    if repo.index.diff(None):
+        log.debug('Committing changes to %s', path)
+        repo.index.add(str(path))
+        c = repo.index.commit(f'{name}: Update to {latest}')
+        log.info('Commited %s %s', str(c)[:7], c.summary)
+        return c
+    else:
+        log.info('No changes to commit')
+        return None
 
 
 def parse_args() -> Arguments:
@@ -309,7 +315,7 @@ def main() -> None:
         title = None
         for project in projects:
             commit = update_project(repo, project, config.projects[project])
-            if not title:
+            if commit and not title:
                 if not isinstance(commit.summary, str):
                     title = bytes(commit.summary).decode(
                         'utf-8', errors='replace'
@@ -317,6 +323,7 @@ def main() -> None:
                 else:
                     title = commit.summary
         if not title:
+            log.info('No changes made')
             return
         repo.head.reference.set_tracking_branch(
             git.RemoteReference(