diff --git a/pkgs/applications/networking/cluster/kubernetes/default.nix b/pkgs/applications/networking/cluster/kubernetes/default.nix
index 60d5dec48a5..36fc145cbfb 100644
--- a/pkgs/applications/networking/cluster/kubernetes/default.nix
+++ b/pkgs/applications/networking/cluster/kubernetes/default.nix
@@ -20,13 +20,13 @@
 
 stdenv.mkDerivation rec {
   pname = "kubernetes";
-  version = "1.21.1";
+  version = "1.21.6";
 
   src = fetchFromGitHub {
     owner = "kubernetes";
     repo = "kubernetes";
     rev = "v${version}";
-    sha256 = "sha256-gJjCw28SqU49kIiRH+MZgeYN4VBgKVEaRPr5A/2c5Pc=";
+    sha256 = "sha256-/70XLmi6FGHSGJqx3u9ZhZZCr+qeoniQEs4ZMHcyAGM=";
   };
 
   nativeBuildInputs = [ removeReferencesTo makeWrapper which go rsync installShellFiles ];