diff --git a/pkgs/by-name/co/cosmic-ext-applet-sysinfo/package.nix b/pkgs/by-name/co/cosmic-ext-applet-sysinfo/package.nix
new file mode 100644
index 000000000000..c8aa0972d783
--- /dev/null
+++ b/pkgs/by-name/co/cosmic-ext-applet-sysinfo/package.nix
@@ -0,0 +1,55 @@
+{
+  lib,
+  stdenv,
+  rustPlatform,
+  fetchFromGitHub,
+  libcosmicAppHook,
+  just,
+  nix-update-script,
+}:
+rustPlatform.buildRustPackage {
+  pname = "cosmic-ext-applet-sysinfo";
+  version = "0-unstable-2025-07-05";
+
+  src = fetchFromGitHub {
+    owner = "cosmic-utils";
+    repo = "cosmic-ext-applet-sysinfo";
+    rev = "8559ba6604bfa7bdaaa53f8ea9a01ce6e6174194";
+    hash = "sha256-KF6j7OWz75BQtaa3z93Lq/msZpMt9ZYeKP4ThJKimDo=";
+  };
+
+  cargoHash = "sha256-oUw7oBOT1I/eBQuKuTQ4UWuksYWSyS6kd4fRGHC4ELY=";
+
+  nativeBuildInputs = [
+    libcosmicAppHook
+    just
+  ];
+
+  dontUseJustBuild = true;
+  dontUseJustCheck = true;
+
+  justFlags = [
+    "--set"
+    "prefix"
+    (placeholder "out")
+    "--set"
+    "cargo-target-dir"
+    "target/${stdenv.hostPlatform.rust.cargoShortTarget}"
+  ];
+
+  passthru.updateScript = nix-update-script {
+    extraArgs = [
+      "--version"
+      "branch=HEAD"
+    ];
+  };
+
+  meta = {
+    description = "Simple system info applet for COSMIC";
+    homepage = "https://github.com/cosmic-utils/cosmic-ext-applet-sysinfo";
+    license = lib.licenses.gpl3Only;
+    mainProgram = "cosmic-ext-applet-sysinfo";
+    maintainers = with lib.maintainers; [ HeitorAugustoLN ];
+    platforms = lib.platforms.linux;
+  };
+}