From 141816f2d014a14ec640d5ed8a057d7a16066e07 Mon Sep 17 00:00:00 2001
From: Jeffrey 'Alex' Clark <alex.clark@mongodb.com>
Date: Thu, 12 Nov 2026 16:03:09 -0500
Subject: [PATCH] PYTHON-6271 BUMP 4.21.0.dev0

---
 pymongo/_version.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pymongo/_version.py b/pymongo/_version.py
index 6995a45526..8cca2a6eaa 100644
--- a/pymongo/_version.py
+++ b/pymongo/_version.py
@@ -18,7 +18,7 @@
 
 import re
 
-__version__ = "4.20.0"
+__version__ = "4.21.0.dev0"
 
 
 def get_version_tuple(version: str) -> tuple[int | str, ...]: