diff --git a/pkgs/by-name/ci/cinnamon-desktop/package.nix b/pkgs/by-name/ci/cinnamon-desktop/package.nix
index 9bb7b706f02d..d69797b0d776 100644
--- a/pkgs/by-name/ci/cinnamon-desktop/package.nix
+++ b/pkgs/by-name/ci/cinnamon-desktop/package.nix
@@ -3,6 +3,7 @@
 , gobject-introspection
 , gtk3
 , intltool
+, isocodes
 , meson
 , ninja
 , pkg-config
@@ -19,13 +20,13 @@
 
 stdenv.mkDerivation rec {
   pname = "cinnamon-desktop";
-  version = "6.2.0";
+  version = "6.4.1";
 
   src = fetchFromGitHub {
     owner = "linuxmint";
     repo = pname;
     rev = version;
-    hash = "sha256-9uewZh0GHQAenTcZpLchgFXSt3vOhxLbaepsJIkjTdI=";
+    hash = "sha256-YKGVuT28MLcLO9T8ZJqbHqMN0SAn1P1l8JTDBo4n838=";
   };
 
   outputs = [ "out" "dev" ];
@@ -38,6 +39,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     gdk-pixbuf
+    isocodes
     systemd
     xkeyboard_config
     xorg.libxkbfile