diff --git a/zulip/integrations/zephyr/sync-public-streams b/zulip/integrations/zephyr/sync-public-streams
index 26441db..26fad9b 100755
--- a/zulip/integrations/zephyr/sync-public-streams
+++ b/zulip/integrations/zephyr/sync-public-streams
@@ -2,7 +2,7 @@
 import sys
 import os
 import logging
-import optparse
+import argparse
 import time
 import json
 import subprocess
@@ -55,9 +55,8 @@ if __name__ == "__main__":
     file_handler.setFormatter(formatter)
     logger.addHandler(file_handler)
 
-    parser = optparse.OptionParser()
-    parser.add_option_group(zulip.generate_option_group(parser))
-    (options, args) = parser.parse_args()
+    parser = zulip.add_default_arguments(argparse.ArgumentParser())
+    options = parser.parse_args()
 
     zulip_client = zulip.Client(client="ZulipSyncPublicStreamsBot/0.1")