diff --git a/pkgs/development/python-modules/nest-asyncio/default.nix b/pkgs/development/python-modules/nest-asyncio/default.nix
index c2291322d43..533977aa6d9 100644
--- a/pkgs/development/python-modules/nest-asyncio/default.nix
+++ b/pkgs/development/python-modules/nest-asyncio/default.nix
@@ -5,13 +5,13 @@
 }:
 
 buildPythonPackage rec {
-  version = "1.4.1";
+  version = "1.4.2";
   pname = "nest_asyncio";
   disabled = !(pythonAtLeast "3.5");
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "b86c3193abda5b2eeccf8c79894bc71c680369a178f4b068514ac00720b14e01";
+    sha256 = "c614fcfaca72b1f04778bc0e73f49c84500b3d045c49d149fc46f1566643c175";
   };
 
   # tests not packaged with source dist as of 1.3.2/1.3.2, and