diff --git a/pkgs/applications/office/khronos/default.nix b/pkgs/applications/office/khronos/default.nix
index d35f8eec2eb1..0238388d7eab 100644
--- a/pkgs/applications/office/khronos/default.nix
+++ b/pkgs/applications/office/khronos/default.nix
@@ -9,21 +9,22 @@
 , pantheon
 , python3
 , glib
-, gtk3
+, gtk4
 , json-glib
+, libadwaita
 , libgee
 , wrapGAppsHook
 }:
 
 stdenv.mkDerivation rec {
   pname = "khronos";
-  version = "1.0.8";
+  version = "3.5.9";
 
   src = fetchFromGitHub {
     owner = "lainsce";
     repo = pname;
     rev = version;
-    sha256 = "0d5ma1d86lh2apagwrwk0d1v1cm3fifjivhf530nlznb67vi1x80";
+    sha256 = "sha256-3FatmyANB/tNYSN2hu5IVkyCy0YrC3uA2d/3+5u48w8=";
   };
 
   nativeBuildInputs = [
@@ -38,15 +39,16 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     glib
-    gtk3
+    gtk4
     json-glib
+    libadwaita
     libgee
     pantheon.granite
   ];
 
   postPatch = ''
-    chmod +x meson/post_install.py
-    patchShebangs meson/post_install.py
+    chmod +x build-aux/post_install.py
+    patchShebangs build-aux/post_install.py
   '';
 
   passthru = {
@@ -60,6 +62,6 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/lainsce/khronos";
     maintainers = with maintainers; [ xiorcale ] ++ pantheon.maintainers;
     platforms = platforms.linux;
-    license = licenses.gpl3;
+    license = licenses.gpl3Plus;
   };
 }