diff --git a/pkgs/by-name/ze/zenoh-plugin-mqtt/package.nix b/pkgs/by-name/ze/zenoh-plugin-mqtt/package.nix
index 861e9d05129d5..644b956da84ec 100644
--- a/pkgs/by-name/ze/zenoh-plugin-mqtt/package.nix
+++ b/pkgs/by-name/ze/zenoh-plugin-mqtt/package.nix
@@ -6,17 +6,17 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "zenoh-plugin-mqtt";
-  version = "1.2.0";
+  version = "1.2.1";
 
   src = fetchFromGitHub {
     owner = "eclipse-zenoh";
     repo = "zenoh-plugin-mqtt";
     tag = version;
-    hash = "sha256-ath1RWr+5nU2GJY6rlWPPBKHX9K/92DFUhgQWVXoWb8=";
+    hash = "sha256-5/obCmi9rbbe9kEkAQTla/4W8ebKj80F4sLKli6oSmw=";
   };
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-Sj50OcIbpP9O+cp5FxmmOg/9iYBFvqh8s2cOOaDwHSA=";
+  cargoHash = "sha256-tMvBAn2FCpvT9O96Nt646t3LMWqhBHWWzRrMGVP1G1g=";
 
   # Some test time out
   doCheck = false;