diff --git a/pkgs/by-name/de/deco/package.nix b/pkgs/by-name/de/deco/package.nix
index d23229c09197..c6fbf6b5a1c7 100644
--- a/pkgs/by-name/de/deco/package.nix
+++ b/pkgs/by-name/de/deco/package.nix
@@ -5,17 +5,18 @@
   scsh,
   feh,
   xorg,
+  xdg-user-dirs,
 }:
 
 stdenv.mkDerivation {
   pname = "deco";
-  version = "unstable-2019-04-03";
+  version = "0-unstable-2025-07-07";
 
   src = fetchFromGitHub {
-    owner = "ebzzry";
+    owner = "vedatechnologiesinc";
     repo = "deco";
-    rev = "dd8ec7905bc85d085eb2ee3bddabea451054288c";
-    sha256 = "sha256-/3GeNvWOCRPOYTUbodXDUxR5QVDEyx6x2Jt5PxsPdvk=";
+    rev = "2fd28241ed28c07b9d641061d4e1bf3cacfcc7a0";
+    hash = "sha256-kjXEvgYO1p/dX9nXQ3HHcXmJdtxDM6xzKqDQu3yM4Tw=";
   };
 
   installPhase = ''
@@ -25,17 +26,18 @@ stdenv.mkDerivation {
   '';
 
   postFixup = ''
-    substituteInPlace $out/bin/deco --replace "/usr/bin/env scsh" "${scsh}/bin/scsh"
-    substituteInPlace $out/bin/deco --replace "feh" "${feh}/bin/feh"
-    substituteInPlace $out/bin/deco --replace "xdpyinfo" "${xorg.xdpyinfo}/bin/xdpyinfo"
+    substituteInPlace $out/bin/deco --replace-fail "/usr/bin/env scsh" "${scsh}/bin/scsh"
+    substituteInPlace $out/bin/deco --replace-fail "feh" "${feh}/bin/feh"
+    substituteInPlace $out/bin/deco --replace-fail "xdpyinfo" "${xorg.xdpyinfo}/bin/xdpyinfo"
+    substituteInPlace $out/bin/deco --replace-fail "xdg-user-dir" "${xdg-user-dirs}/bin/xdg-user-dir"
   '';
 
-  meta = with lib; {
-    homepage = "https://github.com/ebzzry/deco";
+  meta = {
+    homepage = "https://github.com/vedatechnologiesinc/deco";
     description = "Simple root image setter";
-    license = licenses.mit;
-    maintainers = [ maintainers.ebzzry ];
-    platforms = platforms.unix;
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.ebzzry ];
+    platforms = lib.platforms.unix;
     mainProgram = "deco";
   };
 
diff --git a/pkgs/by-name/sc/scsh/package.nix b/pkgs/by-name/sc/scsh/package.nix
index 7199980aa06a..6d4c81da43be 100644
--- a/pkgs/by-name/sc/scsh/package.nix
+++ b/pkgs/by-name/sc/scsh/package.nix
@@ -31,6 +31,9 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ autoreconfHook ];
   buildInputs = [ scheme48 ];
   configureFlags = [ "--with-scheme48=${scheme48}" ];
+  makeFlags = [
+    "SCHEME48VERSION=${scheme48.version}"
+  ];
 
   passthru.updateScript = unstableGitUpdater { };