diff --git a/pkgs/by-name/ze/zenoh-cpp/package.nix b/pkgs/by-name/ze/zenoh-cpp/package.nix
index fcfd64f6f13b..5dd17a57ae9a 100644
--- a/pkgs/by-name/ze/zenoh-cpp/package.nix
+++ b/pkgs/by-name/ze/zenoh-cpp/package.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "zenoh-cpp";
-  version = "1.4.0"; # nixpkgs-update: no auto update
+  version = "1.9.0"; # nixpkgs-update: no auto update
 
   src = fetchFromGitHub {
     owner = "eclipse-zenoh";
     repo = "zenoh-cpp";
     tag = finalAttrs.version;
-    hash = "sha256-rznvif87UZbYzZB4yHG4R850qm6Z3beJ1NSG4wrf58M=";
+    hash = "sha256-MwQKTxrQqfoASCRk+vBeS9EHvmh6sqrpqygQVrdGkWw=";
   };
 
   cmakeFlags = [