diff --git a/pkgs/by-name/no/node-problem-detector/package.nix b/pkgs/by-name/no/node-problem-detector/package.nix
index c4c65c1ca5e8..ed623a5ce8e6 100644
--- a/pkgs/by-name/no/node-problem-detector/package.nix
+++ b/pkgs/by-name/no/node-problem-detector/package.nix
@@ -8,13 +8,13 @@
 
 buildGoModule rec {
   pname = "node-problem-detector";
-  version = "0.8.20";
+  version = "0.8.21";
 
   src = fetchFromGitHub {
     owner = "kubernetes";
     repo = "node-problem-detector";
     rev = "v${version}";
-    sha256 = "sha256-Aw6TDyWczqWgUOCV7f4JSAI4eVcjWgwe2V5qSrx4TBI=";
+    sha256 = "sha256-byxj6EXKAmesFOBtBt0URcT0h1pYdrW8ewtITuEPFcs=";
   };
 
   vendorHash = null;