diff --git a/pkgs/development/tools/knightos/mkrom/default.nix b/pkgs/development/tools/knightos/mkrom/default.nix
index 2e067e92d91..21caa5b8b32 100644
--- a/pkgs/development/tools/knightos/mkrom/default.nix
+++ b/pkgs/development/tools/knightos/mkrom/default.nix
@@ -1,25 +1,27 @@
-{ lib, stdenv, fetchFromGitHub, cmake, libxslt, asciidoc }:
+{ lib, stdenv, fetchFromGitHub, libxslt, asciidoc }:
 
 stdenv.mkDerivation rec {
   pname = "mkrom";
-  version = "1.0.3";
+  version = "1.0.4";
 
   src = fetchFromGitHub {
     owner = "KnightOS";
     repo = "mkrom";
     rev = version;
-    sha256 = "0xgvanya40mdwy35j94j61hsp80dm5b440iphmr5ng3kjgchvpx2";
+    sha256 = "sha256-YFrh0tOGiM90uvU9ZWopW1+9buHDQtetuOtPDSYYaXw=";
   };
 
   strictDeps = true;
-  nativeBuildInputs = [ asciidoc cmake libxslt.bin ];
+  nativeBuildInputs = [ asciidoc libxslt.bin ];
 
-  hardeningDisable = [ "format" ];
+  installFlags = [ "DESTDIR=$(out)" ];
+  installTargets = [ "install" "install_man" ];
 
   meta = with lib; {
     homepage    = "https://knightos.org/";
     description = "Packages KnightOS distribution files into a ROM";
     license     = licenses.mit;
     maintainers = with maintainers; [ siraben ];
+    platforms   = platforms.all;
   };
 }
diff --git a/pkgs/development/tools/knightos/scas/default.nix b/pkgs/development/tools/knightos/scas/default.nix
index ceb8212cf7f..255ecf798d8 100644
--- a/pkgs/development/tools/knightos/scas/default.nix
+++ b/pkgs/development/tools/knightos/scas/default.nix
@@ -2,14 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "scas";
-
-  version = "0.5.3";
+  version = "0.5.5";
 
   src = fetchFromGitHub {
     owner = "KnightOS";
     repo = "scas";
     rev = version;
-    sha256 = "0z6r07cl92kq860ddas5p88l990ih9cfqlzy5y4mk5hrmjzya60j";
+    sha256 = "sha256-JGQE+orVDKKJsTt8sIjPX+3yhpZkujISroQ6g19+MzU=";
   };
 
   cmakeFlags = [ "-DSCAS_LIBRARY=1" ];