diff --git a/Dockerfile b/Dockerfile
index 063a40b..1802ebf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ RUN apt update && apt install -y build-essential libgl1-mesa-dev git cmake libma
 RUN git clone https://code.qt.io/qt/qt5.git /root/qt6
 WORKDIR /root/qt6
 RUN git checkout 6.4
-RUN perl init-repository --module-subset=qtbase,qtpositioning,qthttpserver
+RUN perl init-repository --module-subset=qtbase,qtpositioning,qthttpserver,qtwebsockets
 RUN mkdir /root/qt6-build && cd /root/qt6-build && /root/qt6/configure -no-opengl -no-gui -no-widgets -no-dbus -no-pcre -no-feature-accessibility -nomake examples -nomake tests -skip qtwebengine -- -D QT_BUILD_TOOLS_BY_DEFAULT=OFF
 WORKDIR /root/qt6-build
 RUN cmake --build . --parallel 2