diff --git a/pkgs/tools/misc/blflash/default.nix b/pkgs/tools/misc/blflash/default.nix
index bf09fc8d0a7c..d8c1aec35a0c 100644
--- a/pkgs/tools/misc/blflash/default.nix
+++ b/pkgs/tools/misc/blflash/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "blflash";
-  version = "0.3.2";
+  version = "0.3.3";
 
   src = fetchFromGitHub {
     owner = "spacemeowx2";
     repo = "blflash";
     rev = "v${version}";
-    sha256 = "sha256-+2ncK1ibtQwlBREw4Yiqj4vFvAcZqjkoTBtBdAAUoRg=";
+    sha256 = "sha256-hPScmivtugtZm848Itzg4Tb9rppZny+rKi3IBuUxxQY=";
   };
 
-  cargoSha256 = "sha256-tt9jfcoEw/HQ0/qU4lhbqKtIw/lthDTcyf/3HYQNPEY=";
+  cargoSha256 = "sha256-/y3R8B2TOf8jeB9tcewoA9EGN6kj/EPMTjU6rfTF5Vc=";
 
   meta = with lib; {
     description = "An bl602 serial flasher written in Rust";