diff --git a/pkgs/tools/system/kmon/default.nix b/pkgs/tools/system/kmon/default.nix
index e3d84cb2131..a2610327f61 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 = "1.3.5";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
     owner = "orhun";
     repo = pname;
     rev = "v${version}";
-    sha256 = "1jbp1pd1xlbj5jzz7v2zmrzik45z91ddpvaxazjwcbqmw6hn732q";
+    sha256 = "1f9q4bc1kr1hgwf8byj13d6vsfs97wz7x10zwa82iv9b0wb1lr5w";
   };
 
-  cargoSha256 = "17srf1krknabqprjilk76mmvjq284zf138gf15vybsbjd9dkpals";
+  cargoSha256 = "1xy8rkba9idd0w4bnczmv4ll9awvar99vb7s0jd25fjbzqqlz820";
 
   nativeBuildInputs = [ python3 ];