diff --git a/pyproject.toml b/pyproject.toml
index 0738491..141a962 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ members = [
   "libyuv",
   "nanosvg",
   "ncurses",
+  "qt5",
   "raylib",
   "zeromq",
   "zstd",
diff --git a/qt5/build.sh b/qt5/build.sh
new file mode 100755
index 0000000..1e62883
--- /dev/null
+++ b/qt5/build.sh
@@ -0,0 +1,117 @@
+#!/usr/bin/env bash
+set -e
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
+cd "$DIR"
+
+QT_VERSION="5.15.18"
+QT_TAG="v${QT_VERSION}-lts-lgpl"
+INSTALL_DIR="$DIR/qt5/install"
+NJOBS="$(nproc 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || echo 2)"
+
+# Install build dependencies
+if [[ "$(uname)" == "Linux" ]]; then
+  if command -v dnf &>/dev/null; then
+    dnf install -y \
+      mesa-libGL-devel \
+      fontconfig-devel \
+      freetype-devel \
+      libxcb-devel \
+      xcb-util-devel \
+      xcb-util-image-devel \
+      xcb-util-keysyms-devel \
+      xcb-util-renderutil-devel \
+      xcb-util-wm-devel \
+      libxkbcommon-devel \
+      libxkbcommon-x11-devel \
+      libX11-devel \
+      perl-IPC-Cmd
+  elif command -v apt-get &>/dev/null; then
+    if [ "$(id -u)" -eq 0 ]; then
+      apt-get update && apt-get install -y \
+        libgl-dev \
+        libfontconfig1-dev libfreetype-dev \
+        libxcb1-dev libxcb-glx0-dev libxcb-keysyms1-dev \
+        libxcb-image0-dev libxcb-shm0-dev libxcb-icccm4-dev \
+        libxcb-sync-dev libxcb-xfixes0-dev libxcb-shape0-dev \
+        libxcb-randr0-dev libxcb-render-util0-dev \
+        libxcb-xinerama0-dev libxcb-xkb-dev \
+        libxkbcommon-dev libxkbcommon-x11-dev \
+        libx11-xcb-dev
+    else
+      sudo apt-get update && sudo apt-get install -y \
+        libgl-dev \
+        libfontconfig1-dev libfreetype-dev \
+        libxcb1-dev libxcb-glx0-dev libxcb-keysyms1-dev \
+        libxcb-image0-dev libxcb-shm0-dev libxcb-icccm4-dev \
+        libxcb-sync-dev libxcb-xfixes0-dev libxcb-shape0-dev \
+        libxcb-randr0-dev libxcb-render-util0-dev \
+        libxcb-xinerama0-dev libxcb-xkb-dev \
+        libxkbcommon-dev libxkbcommon-x11-dev \
+        libx11-xcb-dev
+    fi
+  fi
+fi
+
+# Clone/update qtbase
+if [ ! -d "qtbase-src/.git" ]; then
+  rm -rf qtbase-src
+  git clone --depth 1 https://code.qt.io/qt/qtbase.git qtbase-src
+fi
+git -C qtbase-src fetch --depth 1 origin "$QT_TAG"
+git -C qtbase-src checkout --force FETCH_HEAD
+
+# Build qtbase
+cd qtbase-src
+./configure \
+  -release \
+  -prefix "$INSTALL_DIR" \
+  -opensource -confirm-license \
+  -nomake examples \
+  -nomake tests \
+  -no-dbus \
+  -no-icu \
+  -opengl desktop
+make -j"$NJOBS"
+make install
+cd "$DIR"
+
+# Clone/update qtcharts
+if [ ! -d "qtcharts-src/.git" ]; then
+  rm -rf qtcharts-src
+  git clone --depth 1 https://code.qt.io/qt/qtcharts.git qtcharts-src
+fi
+git -C qtcharts-src fetch --depth 1 origin "$QT_TAG"
+git -C qtcharts-src checkout --force FETCH_HEAD
+
+# Build qtcharts
+cd qtcharts-src
+"$INSTALL_DIR/bin/qmake"
+make -j"$NJOBS"
+make install
+cd "$DIR"
+
+# Replace symlinks with copies for wheel compatibility
+find "$INSTALL_DIR" -type l | while read -r link; do
+  target="$(readlink -f "$link")"
+  if [ -f "$target" ]; then
+    rm "$link"
+    cp "$target" "$link"
+  elif [ -d "$target" ]; then
+    rm "$link"
+    cp -r "$target" "$link"
+  fi
+done
+
+# Strip binaries and libraries
+find "$INSTALL_DIR" -type f -name '*.so*' -exec strip --strip-unneeded {} + 2>/dev/null || true
+find "$INSTALL_DIR" -type f -name '*.dylib' -exec strip -x {} + 2>/dev/null || true
+strip "$INSTALL_DIR/bin/moc" "$INSTALL_DIR/bin/rcc" "$INSTALL_DIR/bin/uic" 2>/dev/null || true
+
+# Remove unnecessary files to reduce wheel size
+rm -rf "$INSTALL_DIR/doc" "$INSTALL_DIR/mkspecs" "$INSTALL_DIR/lib/cmake" "$INSTALL_DIR/lib/pkgconfig"
+find "$INSTALL_DIR/lib" -name '*.prl' -delete 2>/dev/null || true
+find "$INSTALL_DIR/lib" -name '*.la' -delete 2>/dev/null || true
+
+echo "Installed Qt5 to $INSTALL_DIR"
+du -sh "$INSTALL_DIR"
diff --git a/qt5/pyproject.toml b/qt5/pyproject.toml
new file mode 100644
index 0000000..55df8ff
--- /dev/null
+++ b/qt5/pyproject.toml
@@ -0,0 +1,15 @@
+[build-system]
+requires = ["setuptools>=64", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "qt5"
+version = "5.15.18"
+description = "Qt 5.15 (QtBase + QtCharts)"
+requires-python = ">=3.8"
+
+[tool.setuptools.packages.find]
+include = ["qt5*"]
+
+[tool.setuptools.package-data]
+qt5 = ["install/**/*"]
diff --git a/qt5/qt5/__init__.py b/qt5/qt5/__init__.py
new file mode 100644
index 0000000..0608608
--- /dev/null
+++ b/qt5/qt5/__init__.py
@@ -0,0 +1,19 @@
+import os
+
+DIR = os.path.join(os.path.dirname(__file__), "install")
+BIN_DIR = os.path.join(DIR, "bin")
+LIB_DIR = os.path.join(DIR, "lib")
+INCLUDE_DIR = os.path.join(DIR, "include")
+
+
+def smoketest():
+  assert os.path.isfile(os.path.join(BIN_DIR, "moc")), "moc not found"
+  assert os.path.isfile(os.path.join(BIN_DIR, "rcc")), "rcc not found"
+  import glob
+  import platform
+  if platform.system() == "Darwin":
+    assert os.path.isdir(os.path.join(LIB_DIR, "QtCore.framework")), "QtCore.framework not found"
+    assert os.path.isdir(os.path.join(LIB_DIR, "QtCharts.framework")), "QtCharts.framework not found"
+  else:
+    assert glob.glob(os.path.join(LIB_DIR, "libQt5Core.so*")), "libQt5Core.so not found"
+    assert glob.glob(os.path.join(LIB_DIR, "libQt5Charts.so*")), "libQt5Charts.so not found"
diff --git a/qt5/setup.py b/qt5/setup.py
new file mode 100644
index 0000000..d9714da
--- /dev/null
+++ b/qt5/setup.py
@@ -0,0 +1,58 @@
+import os
+import platform
+import subprocess
+
+from setuptools.command.build_py import build_py
+
+try:
+  from wheel.bdist_wheel import bdist_wheel
+except ImportError:
+  bdist_wheel = None
+
+
+class BuildQt5(build_py):
+  """Run build.sh to compile Qt5 before collecting package data."""
+
+  def run(self):
+    pkg_dir = os.path.dirname(os.path.abspath(__file__))
+    build_script = os.path.join(pkg_dir, "build.sh")
+    subprocess.check_call(["bash", build_script], cwd=pkg_dir)
+
+    super().run()
+
+
+cmdclass = {"build_py": BuildQt5}
+
+if bdist_wheel is not None:
+
+  class PlatformWheel(bdist_wheel):
+    """Produce a platform-specific, Python-version-agnostic wheel."""
+
+    def finalize_options(self):
+      super().finalize_options()
+      self.root_is_pure = False
+
+    def get_tag(self):
+      system = platform.system()
+      machine = platform.machine()
+
+      if system == "Linux":
+        plat = f"linux_{machine}"
+      elif system == "Darwin":
+        plat = "macosx_11_0_arm64"
+      else:
+        plat = f"{system.lower()}_{machine}"
+
+      return "py3", "none", plat
+
+  cmdclass["bdist_wheel"] = PlatformWheel
+
+
+def setup():
+  from setuptools import setup as _setup
+
+  _setup(cmdclass=cmdclass)
+
+
+if __name__ == "__main__":
+  setup()