diff --git a/pkgs/by-name/gc/gcfflasher/package.nix b/pkgs/by-name/gc/gcfflasher/package.nix
index 977642d6d138..79c70c15b5cb 100644
--- a/pkgs/by-name/gc/gcfflasher/package.nix
+++ b/pkgs/by-name/gc/gcfflasher/package.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "gcfflasher";
-  version = "4.12.0";
+  version = "4.12.1";
 
   src = fetchFromGitHub {
     owner = "dresden-elektronik";
     repo = "gcfflasher";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-wuIyvyRVXhp9SGRybfgaouij2UrPNDD7Oy+ODNTCFRY=";
+    hash = "sha256-L0BelCcwYmPDfWPCjXQQ0Lmk/C1BHuQKk3dLRfo2OMc=";
   };
 
   nativeBuildInputs = [