diff --git a/pkgs/development/tools/picotool/default.nix b/pkgs/development/tools/picotool/default.nix
index 0f4300fc67ce..03d3d440c297 100644
--- a/pkgs/development/tools/picotool/default.nix
+++ b/pkgs/development/tools/picotool/default.nix
@@ -15,6 +15,10 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake pkg-config ];
   cmakeFlags = [ "-DPICO_SDK_PATH=${pico-sdk}/lib/pico-sdk" ];
 
+  postInstall = ''
+    install -Dm444 ../udev/99-picotool.rules -t $out/etc/udev/rules.d
+  '';
+
   meta = with lib; {
     homepage = "https://github.com/raspberrypi/picotool";
     description = "Tool for interacting with a RP2040 device in BOOTSEL mode, or with a RP2040 binary";