diff --git a/pkgs/development/python-modules/zenoh/default.nix b/pkgs/development/python-modules/zenoh/default.nix
index dc4fa38e9961..a9d2eefb9371 100644
--- a/pkgs/development/python-modules/zenoh/default.nix
+++ b/pkgs/development/python-modules/zenoh/default.nix
@@ -9,19 +9,19 @@
 
 buildPythonPackage rec {
   pname = "zenoh";
-  version = "1.2.1"; # nixpkgs-update: no auto update
+  version = "1.4.0"; # nixpkgs-update: no auto update
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "eclipse-zenoh";
     repo = "zenoh-python";
     rev = version;
-    hash = "sha256-AIsIjMcT9g0mTAgxOL/shBEjpeuOm/7Wn4EOSyYbShE=";
+    hash = "sha256-X9AUjuJYA8j41JVS+ZLRYcQUzSRoGwmkNIH0UK5+QoU=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit src pname version;
-    hash = "sha256-Y8fg/vFL7kLoARpp0BmDpQva9zNEEOWOHQk3GjeAoLk=";
+    hash = "sha256-Z6Wtor/aAdO1JUUafFEo9RdI7OXmsAD5MMtMUF6CZEg=";
   };
 
   build-system = [