diff --git a/aider/versioncheck.py b/aider/versioncheck.py
index e69de29bb..96963581c 100644
--- a/aider/versioncheck.py
+++ b/aider/versioncheck.py
@@ -0,0 +1,17 @@
+import requests
+from bs4 import BeautifulSoup
+import pkg_resources
+
+def check_version():
+    response = requests.get('https://pypi.org/project/aider/')
+    soup = BeautifulSoup(response.text, 'html.parser')
+    latest_version = soup.find('h1', {'class': 'package-header__name'}).text.split()[-1]
+    current_version = pkg_resources.get_distribution('aider').version
+
+    if pkg_resources.parse_version(latest_version) > pkg_resources.parse_version(current_version):
+        print(f"A newer version of 'aider' is available: {latest_version}")
+    else:
+        print("You are using the latest version of 'aider'.")
+
+if __name__ == "__main__":
+    check_version()