diff --git a/pkgs/development/python-modules/pymongo/default.nix b/pkgs/development/python-modules/pymongo/default.nix
index 9ebe37f4b8da..285a729eb894 100644
--- a/pkgs/development/python-modules/pymongo/default.nix
+++ b/pkgs/development/python-modules/pymongo/default.nix
@@ -6,12 +6,12 @@
 
 buildPythonPackage rec {
   pname = "pymongo";
-  version = "4.1.1";
+  version = "4.2.0";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-17jyXJsAQ8uvd7i4lYFOM+ejyAeglzd8B+G9SZRgMNU=";
+    sha256 = "sha256-cvM49qq9N9NDvZ0f3T3pIRBNOVdmvMXNxAOeTC3Zd2Y=";
   };
 
   # Tests call a running mongodb instance