diff --git a/Dockerfile b/Dockerfile
index 664650c..39effcb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,12 +3,12 @@ FROM debian:11
 RUN apt update && apt install -y build-essential libgl1-mesa-dev git cmake libmariadb-dev
 RUN git clone https://code.qt.io/qt/qt5.git /root/qt6
 WORKDIR /root/qt6
-RUN git checkout 6.4
+RUN git checkout 6.4.1
 RUN perl init-repository --module-subset=qtbase,qtpositioning,qthttpserver
 RUN mkdir /root/qt6-build && cd /root/qt6-build && /root/qt6/configure -no-opengl -no-gui -no-widgets -no-dbus -no-pcre
 WORKDIR /root/qt6-build
 RUN cmake --build . --parallel 2
 RUN cmake --install .
-ENV QTVERSION=6.4.2
+ENV QTVERSION=6.4.1
 WORKDIR /usr/local/Qt-${QTVERSION}/bin
 RUN rm -rf /root/*
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