diff --git a/pkgs/tools/system/kmon/default.nix b/pkgs/tools/system/kmon/default.nix
index afb59b25059e..2a60283f122a 100644
--- a/pkgs/tools/system/kmon/default.nix
+++ b/pkgs/tools/system/kmon/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "kmon";
-  version = "1.2.0";
+  version = "1.3.0";
 
   src = fetchFromGitHub {
     owner = "orhun";
     repo = pname;
     rev = "v${version}";
-    sha256 = "1l2zdp5f9spkfx1dhxyj32791kgvc8hqjr1kk75vds4c1wgwq8gk";
+    sha256 = "0487blp5l82jscpf9m76cq5prvclg5ngvdgi500jh7vrrxxawnh4";
   };
 
-  cargoSha256 = "08a7gr70a3rh7a52gglck16qlwngb6ap723lg3b3mxmkyigdf6i6";
+  cargoSha256 = "1dfvkn1sw22csg635kl4mmcxb6c5bvc5aw370iicy9hwlkk7cqpd";
 
   nativeBuildInputs = [ python3 ];