diff --git a/pkgs/by-name/nn/nnd/package.nix b/pkgs/by-name/nn/nnd/package.nix
index 1e00404c6824..5da77ad70a91 100644
--- a/pkgs/by-name/nn/nnd/package.nix
+++ b/pkgs/by-name/nn/nnd/package.nix
@@ -8,16 +8,16 @@ let
 in
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "nnd";
-  version = "0.53";
+  version = "0.56";
 
   src = fetchFromGitHub {
     owner = "al13n321";
     repo = "nnd";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-ZWiWxFMuzA7ikeLzLhDTKdKnoyIC48n/tf5fcnwEBq0=";
+    hash = "sha256-3xxb42dCnH41ufT6Thp/3z7Vs/Rlsxm6IOHMKi0jvQI=";
   };
 
-  cargoHash = "sha256-KTGCu0It2izalwfwdMqcpRdtX3zM/HIpy70JFuneXvQ=";
+  cargoHash = "sha256-PGPBNBg+71U201iSo1WYOOUJlWPi+njasGaXbhqmaVw=";
 
   meta = {
     description = "Debugger for Linux";