diff --git a/pkgs/development/python-modules/nsz/default.nix b/pkgs/development/python-modules/nsz/default.nix
index 266fb868641a..88402b340a12 100644
--- a/pkgs/development/python-modules/nsz/default.nix
+++ b/pkgs/development/python-modules/nsz/default.nix
@@ -5,13 +5,13 @@
 
 buildPythonPackage rec {
   pname = "nsz";
-  version = "4.2.1";
+  version = "4.3.0";
 
   src = fetchFromGitHub {
     owner = "nicoboss";
     repo = pname;
     rev = "refs/tags/${version}";
-    hash = "sha256-It815Uxxs4T9BM9EypAfPuq4Oy8rgGLpKA79m2xM8N4=";
+    hash = "sha256-azmUJ3ofLdNwNeIQL/TuPYE98FZ8yXwbJx3wHCo8lw4=";
   };
 
   propagatedBuildInputs = [pycryptodome enlighten zstandard ]