--- /dev/null
+#!/usr/bin/env python3
+
+import json
+import sys
+import hashlib
+import urllib.request
+
+if len(sys.argv) <= 1:
+ print('Specify the version number as parameter')
+ sys.exit()
+version = sys.argv[1]
+
+with open('update/LATEST_VERSION', 'w') as f:
+ f.write(version)
+
+versions_info = json.load(open('update/versions.json'))
+if 'signature' in versions_info:
+ del versions_info['signature']
+
+new_version = {}
+
+filenames = {'bin': 'youtube-dl', 'exe': 'youtube-dl.exe', 'tar': 'youtube-dl-%s.tar.gz' % version}
+for key, filename in filenames.items():
+ print('Downloading and checksumming %s...' %filename)
+ url = 'http://youtube-dl.org/downloads/%s/%s' % (version, filename)
+ data = urllib.request.urlopen(url).read()
+ sha256sum = hashlib.sha256(data).hexdigest()
+ new_version[key] = (url, sha256sum)
+
+versions_info['versions'][version] = new_version
+versions_info['latest'] = version
+
+json.dump(versions_info, open('update/versions.json', 'w'), indent=4, sort_keys=True)
\ No newline at end of file