diff --git a/pkgs/by-name/pr/project-lemonlime/package.nix b/pkgs/by-name/pr/project-lemonlime/package.nix
new file mode 100644
index 0000000000000..c49682b641169
--- /dev/null
+++ b/pkgs/by-name/pr/project-lemonlime/package.nix
@@ -0,0 +1,49 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  qt6,
+  nix-update-script,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "project-lemonlime";
+  version = "0.3.5";
+
+  src = fetchFromGitHub {
+    owner = "Project-LemonLime";
+    repo = "Project_LemonLime";
+    rev = "refs/tags/${finalAttrs.version}";
+    hash = "sha256-h/aE1+ED+RkXqFcsb23rboA+Dd7kiom3XiIRqb4oYkQ=";
+    fetchSubmodules = true;
+  };
+
+  nativeBuildInputs = [
+    cmake
+    qt6.wrapQtAppsHook
+  ];
+
+  cmakeFlags = [
+    (lib.cmakeBool "LEMON_QT6" true)
+  ];
+
+  buildInputs = [
+    qt6.qtbase
+    qt6.qttools
+    qt6.qtwayland
+  ];
+
+  meta = {
+    description = "Lightweight evaluation system based on Lemon + LemonPlus for OI competitions";
+    homepage = "https://github.com/Project-LemonLime/Project_LemonLime";
+    changelog = "https://github.com/Project-LemonLime/Project_LemonLime/releases/tag/${finalAttrs.version}";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [
+      sigmanificient
+      bot-wxt1221
+    ];
+    platforms = lib.platforms.unix;
+    mainProgram = "lemon";
+  };
+})