diff --git a/pkgs/by-name/st/stlink-tool/package.nix b/pkgs/by-name/st/stlink-tool/package.nix
new file mode 100644
index 000000000000..029bb0a9b25a
--- /dev/null
+++ b/pkgs/by-name/st/stlink-tool/package.nix
@@ -0,0 +1,41 @@
+{ lib
+, stdenv
+, pkg-config
+, fetchFromGitHub
+, libusb1
+}:
+
+# IMPORTANT: You need permissions to access the stlink usb devices.
+# Add services.udev.packages = [ pkgs.stlink ] to your configuration.nix
+stdenv.mkDerivation {
+  pname = "stlink-tool";
+  version = "0-unstable-2020-06-10";
+
+  src = fetchFromGitHub {
+    owner = "jeanthom";
+    repo = "stlink-tool";
+    rev = "8cbdffee012d5a782dd67d1277ed22fa889b9ba9";
+    hash = "sha256-1Mk4rFyIviJ9hcJo1GyzRmlPIemBJtuj3PgvnNhche0=";
+    fetchSubmodules = true;
+  };
+
+  buildInputs = [ libusb1 ];
+  nativeBuildInputs = [ pkg-config ];
+
+  env.NIX_CFLAGS_COMPILE = "-Wno-uninitialized";
+
+  installPhase = ''
+    runHook preInstall
+    install -D stlink-tool $out/bin/stlink-tool
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "libusb tool for flashing chinese ST-Link dongles";
+    homepage = "https://github.com/jeanthom/stlink-tool";
+    license = licenses.mit;
+    platforms = platforms.unix;
+    maintainers = [ maintainers.wucke13 ];
+    mainProgram = "stlink-tool";
+  };
+}