diff --git a/pkgs/desktops/gnome-3/extensions/freon/default.nix b/pkgs/desktops/gnome-3/extensions/freon/default.nix
new file mode 100644
index 000000000000..5224e4863ae2
--- /dev/null
+++ b/pkgs/desktops/gnome-3/extensions/freon/default.nix
@@ -0,0 +1,37 @@
+{ stdenv, fetchFromGitHub, glib }:
+
+stdenv.mkDerivation rec {
+  pname = "gnome-shell-freon";
+  version = "40";
+
+  uuid = "freon@UshakovVasilii_Github.yahoo.com";
+
+  src = fetchFromGitHub {
+    owner = "UshakovVasilii";
+    repo = "gnome-shell-extension-freon";
+    rev = "EGO-${version}";
+    sha256 = "0ak6f5dds9kk3kqww681gs3l1mj3vf22icrvb5m257s299rq8yzl";
+  };
+
+  nativeBuildInputs = [ glib ];
+
+  buildPhase = ''
+    runHook preBuild
+    glib-compile-schemas --strict --targetdir=${uuid}/schemas ${uuid}/schemas
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/share/gnome-shell/extensions
+    cp -r ${uuid} $out/share/gnome-shell/extensions
+    runHook postInstall
+  '';
+
+  meta = with stdenv.lib; {
+    description = "GNOME Shell extension for displaying CPU, GPU, disk temperatures, voltage and fan RPM in the top panel";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ justinas ];
+    homepage = "https://github.com/UshakovVasilii/gnome-shell-extension-freon";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f25888c3a60d..fe46c8bf63ac 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -25794,6 +25794,7 @@ in
     draw-on-your-screen = callPackage ../desktops/gnome-3/extensions/draw-on-your-screen { };
     drop-down-terminal = callPackage ../desktops/gnome-3/extensions/drop-down-terminal { };
     emoji-selector = callPackage ../desktops/gnome-3/extensions/emoji-selector { };
+    freon = callPackage ../desktops/gnome-3/extensions/freon { };
     gsconnect = callPackage ../desktops/gnome-3/extensions/gsconnect { };
     icon-hider = callPackage ../desktops/gnome-3/extensions/icon-hider { };
     impatience = callPackage ../desktops/gnome-3/extensions/impatience { };