diff --git a/pkgs/development/embedded/wch-isp/default.nix b/pkgs/development/embedded/wch-isp/default.nix
new file mode 100644
index 000000000000..b83b64292f4a
--- /dev/null
+++ b/pkgs/development/embedded/wch-isp/default.nix
@@ -0,0 +1,27 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, libusb1 }:
+
+stdenv.mkDerivation rec {
+  pname = "wch-isp";
+  version = "0.2.4";
+
+  src = fetchFromGitHub {
+    owner = "jmaselbas";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-YjxzfDSZRMa7B+hNqtj87nRlRuQyr51VidZqHLddgwI=";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ libusb1 ];
+
+  installFlags = [ "DESTDIR=$(out)" "PREFIX=" ];
+  installTargets = [ "install" "install-rules" ];
+
+  meta = {
+    description = "Firmware programmer for WCH microcontrollers over USB";
+    license = lib.licenses.gpl2Only;
+    homepage = "https://github.com/jmaselbas/wch-isp";
+    maintainers = with lib.maintainers; [ lesuisse ];
+    platforms = lib.platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3d8e55e71fa5..3590495c1e81 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19265,6 +19265,8 @@ with pkgs;
 
   uisp = callPackage ../development/embedded/uisp { };
 
+  wch-isp = callPackage ../development/embedded/wch-isp { };
+
   uncrustify = callPackage ../development/tools/misc/uncrustify { };
 
   universal-ctags = callPackage ../development/tools/misc/universal-ctags { };