diff --git a/setup.py b/setup.py
index 026f440..26481e0 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
             version = m.group(1)
             break
 
-REQUIREMENTS = ['pymongo==3.0', 'six==1.10.0']
+REQUIREMENTS = ['pymongo==4.6.3', 'six==1.10.0']
 
 setup(
     name='mongoext',