diff --git a/pkgs/tools/security/proxmark3/default.nix b/pkgs/tools/security/proxmark3/default.nix
index 4872a8c868f3..2c0ac5017148 100644
--- a/pkgs/tools/security/proxmark3/default.nix
+++ b/pkgs/tools/security/proxmark3/default.nix
@@ -31,13 +31,13 @@
 assert withBlueshark -> stdenv.hostPlatform.isLinux;
 stdenv.mkDerivation (finalAttrs: {
   pname = "proxmark3";
-  version = "4.20728";
+  version = "4.21128";
 
   src = fetchFromGitHub {
     owner = "RfidResearchGroup";
     repo = "proxmark3";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-dmWPi5xOcXXdvUc45keXGUNhYmQEzAHbKexpDOwIHhE=";
+    hash = "sha256-KlSYbYEdLVsQCbRilqolGewH5ra9QXOHVgYk34aCous=";
   };
 
   postPatch = ''