diff --git a/pkgs/development/python-modules/jsonpickle/default.nix b/pkgs/development/python-modules/jsonpickle/default.nix
index 66e7d62aa839..abf3c27e98ff 100644
--- a/pkgs/development/python-modules/jsonpickle/default.nix
+++ b/pkgs/development/python-modules/jsonpickle/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "jsonpickle";
-  version = "1.4.1";
+  version = "1.4.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e8d4b7cd0bd6826001a74377df1079a76ad8bae0f909282de2554164c837c8ba";
+    sha256 = "c9b99b28a9e6a3043ec993552db79f4389da11afcb1d0246d93c79f4b5e64062";
   };
 
   checkInputs = [ pytest ];