diff --git a/requirements_dev_optional.txt b/requirements_dev_optional.txt
index f3ea80a546..c96dbc88c8 100644
--- a/requirements_dev_optional.txt
+++ b/requirements_dev_optional.txt
@@ -11,7 +11,7 @@ azure-storage-blob==12.16.0 # pyup: ignore
 redis==5.0.1
 types-redis
 types-setuptools
-pymongo==4.5.0
+pymongo==4.6.0
 # optional test requirements
 coverage
 pytest-cov==4.1.0