diff --git a/pkgs/by-name/ko/koffan/package.nix b/pkgs/by-name/ko/koffan/package.nix
index 9c64a542b05a..761bf44658fc 100644
--- a/pkgs/by-name/ko/koffan/package.nix
+++ b/pkgs/by-name/ko/koffan/package.nix
@@ -7,13 +7,13 @@
 
 buildGoModule (finalAttrs: {
   pname = "koffan";
-  version = "2.12.2";
+  version = "2.12.3";
 
   src = fetchFromGitHub {
     owner = "PanSalut";
     repo = "Koffan";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-0fCKVExxsmqz8ndv26r7iJldcj6OnhiZ8SqPMhR8pHo=";
+    hash = "sha256-mApQftAsoXh6CTFRPu28O9iK5Ow2/QwkAx4V8XPWTvg=";
   };
 
   vendorHash = "sha256-BYehi5LQQ0MIsKG/fN3DHaQwKVmxUFrvWGrKZeKj+ow=";