diff --git a/pkgs/development/python-modules/jsonargparse/default.nix b/pkgs/development/python-modules/jsonargparse/default.nix
index 3b65beacc617..ec01c1beffe3 100644
--- a/pkgs/development/python-modules/jsonargparse/default.nix
+++ b/pkgs/development/python-modules/jsonargparse/default.nix
@@ -26,7 +26,7 @@
 
 buildPythonPackage rec {
   pname = "jsonargparse";
-  version = "4.29.0";
+  version = "4.30.0";
   pyproject = true;
 
   disabled = pythonOlder "3.11";
@@ -35,7 +35,7 @@ buildPythonPackage rec {
     owner = "omni-us";
     repo = "jsonargparse";
     rev = "refs/tags/v${version}";
-    hash = "sha256-L+bGyn6O3lGu4FPclNFUeIzQhpznBxdkofUS5yCRM3Y=";
+    hash = "sha256-jeQOnJ8dLUbp60Nk5v4NYKVR8VYlGz08QHIfQotO2uY=";
   };
 
   build-system = [ setuptools ];