diff --git a/pkgs/development/python-modules/argparse-addons/default.nix b/pkgs/development/python-modules/argparse-addons/default.nix
index 1116ff3c3039..be91003e201b 100644
--- a/pkgs/development/python-modules/argparse-addons/default.nix
+++ b/pkgs/development/python-modules/argparse-addons/default.nix
@@ -2,12 +2,12 @@
 
 buildPythonPackage rec {
   pname = "argparse-addons";
-  version = "0.8.0";
+  version = "0.12.0";
 
   src = fetchPypi {
     pname = "argparse_addons";
     inherit version;
-    sha256 = "sha256-uwiBB5RNM56NLnCnYwXd41FUTixb3rrxwttWrS5tzeg=";
+    sha256 = "sha256-YyKg3NcGiH52MI0jE21bhtoOq3WigtxklnAdEhC0YK8=";
   };
 
   pythonImportsCheck = [ "argparse_addons" ];