diff --git a/pkgs/development/python-modules/jsonargparse/default.nix b/pkgs/development/python-modules/jsonargparse/default.nix
index 521a1c92eac71..df20262b9d902 100644
--- a/pkgs/development/python-modules/jsonargparse/default.nix
+++ b/pkgs/development/python-modules/jsonargparse/default.nix
@@ -23,7 +23,7 @@
 
 buildPythonPackage rec {
   pname = "jsonargparse";
-  version = "4.34.1";
+  version = "4.35.0";
   pyproject = true;
 
   disabled = pythonOlder "3.11";
@@ -32,7 +32,7 @@ buildPythonPackage rec {
     owner = "omni-us";
     repo = "jsonargparse";
     rev = "refs/tags/v${version}";
-    hash = "sha256-clqQGb9IC1PeySvssbo5fF+MU9W/oDnwiDsPeV5InNA=";
+    hash = "sha256-+gxwajChbdcsIa8Jp0iva3ik5vZeMRa38KuoQwIGNoU=";
   };
 
   build-system = [ setuptools ];