diff --git a/.github/workflows/Dockerfile_opengate_core b/.github/workflows/Dockerfile_opengate_core
index b764de92e..0bda21bda 100644
--- a/.github/workflows/Dockerfile_opengate_core
+++ b/.github/workflows/Dockerfile_opengate_core
@@ -4,27 +4,35 @@
 #build: docker build -t tbaudier/opengate_core -f Dockerfile_opengate_core .
 #push: docker push tbaudier/opengate_core
 #run: docker run --rm -e "PYTHONFOLDER=${PYTHONFOLDERMANYLINUX}" -v $(Pipeline.Workspace)/software:/home tbaudier/opengate_core /home/opengate_core/azureCreateWheelLinux.sh
-#interactive: docker run -ti --rm -v $(Pipeline.Workspace)/software:/home quay.io/pypa/manylinux2014_x86_64 /bin/bash
+#interactive: docker run -ti --rm -v $PWD:/home quay.io/pypa/manylinux_2_28_x86_64 /bin/bash
 
-FROM quay.io/pypa/manylinux2014_x86_64
+FROM quay.io/pypa/manylinux_2_28_x86_64
 MAINTAINER Thomas Baudier <thomas.baudier@creatis.insa-lyon.fr>
 #Install packages
-RUN     yum install -y gcc wget git expat-devel fftw-devel qt5-qtbase-devel freeglut-devel libXmu-devel xerces-c-devel \
+RUN     yum install -y gcc wget git expat-devel fftw-devel freeglut-devel libXmu-devel libxkbcommon-x11-devel.x86_64 libxcb-devel.x86_64 xcb-util.x86_64 xcb-util-wm.x86_64 xcb-util-keysyms.x86_64 xcb-util-image.x86_64 xcb-util-renderutil.x86_64 libwayland-cursor.x86_64 libwayland-egl.x86_64 \
+
+#Install xcb_cursor needed by qt6
+    &&  wget https://dl.fedoraproject.org/pub/epel/8/Everything/x86_64/Packages/x/xcb-util-cursor-0.1.3-9.el8.x86_64.rpm \
+    &&  yum install -y xcb-util-cursor-0.1.3-9.el8.x86_64.rpm \
+    &&  rm -rf xcb-util-cursor-0.1.3-9.el8.x86_64.rpm \
+
+#Install qt6 manually
 
 #Create folder
-    &&  mkdir -p /software/cmake /software/geant4/src /software/geant4/bin /software/geant4/data /software/itk/src /software/itk/bin /software/wheelhouse \
+    &&  mkdir -p /software/cmake /software/geant4/src /software/geant4/bin /software/itk/src /software/itk/bin /software/wheelhouse \
 
 #Install cmake
     &&  cd /software/cmake \
     &&  wget https://github.com/Kitware/CMake/releases/download/v3.18.2/cmake-3.18.2-Linux-x86_64.tar.gz \
     &&  tar xzvf cmake-3.18.2-Linux-x86_64.tar.gz \
+    &&  rm -rf cmake-3.18.2-Linux-x86_64.tar.gz \
     &&  export PATH=/software/cmake/cmake-3.18.2-Linux-x86_64/bin/:${PATH} \
 
 #Compile Geant4
     &&  cd /software/geant4 \
     &&  git clone --branch v11.2.1 https://github.com/Geant4/geant4.git --depth 1 src \
     &&  cd bin \
-    &&  cmake -DCMAKE_CXX_FLAGS=-std=c++17 -DGEANT4_BUILD_MULTITHREADED=ON -DGEANT4_USE_GDML=ON -DGEANT4_INSTALL_DATA=OFF -DGEANT4_INSTALL_DATADIR=/sofware/geant4/data -DGEANT4_USE_QT=ON -DGEANT4_USE_OPENGL_X11=ON ../src \
+    &&  cmake -DCMAKE_CXX_FLAGS=-std=c++17 -DGEANT4_BUILD_MULTITHREADED=ON -DGEANT4_USE_GDML=OFF -DGEANT4_INSTALL_DATA=OFF -DGEANT4_INSTALL_DATADIR=/sofware/geant4/data -DGEANT4_USE_QT=ON -DGEANT4_USE_OPENGL_X11=ON -DGEANT4_USE_QT_QT6=ON -DQT_DIR=/opt/Qt/6.7.2/gcc_64/lib/cmake/Qt6 -DQt6_DIR=/opt/Qt/6.7.2/gcc_64/lib/cmake/Qt6 -DQt6OpenGLWidgets_DIR=/opt/Qt/6.7.2/gcc_64/lib/cmake/Qt6OpenGLWidgets ../src \
     &&  make -j10 \
     &&  source /software/geant4/bin/geant4make.sh \
 
diff --git a/.github/workflows/createWheelLinux.sh b/.github/workflows/createWheelLinux.sh
index 8e101335c..86a3659dc 100755
--- a/.github/workflows/createWheelLinux.sh
+++ b/.github/workflows/createWheelLinux.sh
@@ -7,11 +7,11 @@ export PATH=/software/cmake/cmake-3.18.2-Linux-x86_64/bin/:${PATH}
 source /software/geant4/bin/geant4make.sh
 export CMAKE_PREFIX_PATH=/software/geant4/bin:/software/itk/bin/:${CMAKE_PREFIX_PATH}
 mkdir opengate_core/plugins
-cp -r /lib64/qt5/plugins/platforms opengate_core/plugins
-cp -r /lib64/qt5/plugins/imageformats opengate_core/plugins
+cp -r /opt/Qt/6.7.2/gcc_64/plugins/platforms/* opengate_core/plugins
+cp -r /opt/Qt/6.7.2/gcc_64/plugins/* opengate_core/plugins
 /opt/python/${PYTHONFOLDER}/bin/pip install wget colored
 /opt/python/${PYTHONFOLDER}/bin/python setup.py sdist bdist_wheel
-auditwheel repair /home/core/dist/*.whl -w /software/wheelhouse/ --plat "manylinux2014_x86_64"
+auditwheel repair /home/core/dist/*.whl -w /software/wheelhouse/ --plat "manylinux_2_28_x86_64"
 cp -r /software/wheelhouse /home/
 #/opt/python/${PYTHONFOLDER}/bin/pip install twine
 #/opt/python/${PYTHONFOLDER}/bin/twine upload --repository-url https://test.pypi.org/legacy/ wheelhouse/*manylinux2014*.whl
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f7f18c846..7be7d5789 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -91,7 +91,7 @@ jobs:
             export PYTHONFOLDER="cp312-cp312"
           fi
           mkdir -p $HOME/software
-          docker run --rm -e "PYTHONFOLDER=${PYTHONFOLDER}" -v $GITHUB_WORKSPACE:/home tbaudier/opengate_core:${{ env.GEANT4_VERSION }} /home/.github/workflows/createWheelLinux.sh
+          docker run --rm -e "PYTHONFOLDER=${PYTHONFOLDER}" -v $GITHUB_WORKSPACE:/home tbaudier/opengate_core:${{ env.GEANT4_VERSION }}_qt6 /home/.github/workflows/createWheelLinux.sh
           ls wheelhouse
           rm -rf dist
           mv wheelhouse dist
@@ -102,6 +102,23 @@ jobs:
               ls -lrt dist_opengate/
               mv dist_opengate/* dist/
           fi
+    - name: Create opengate_core Wheel Linux for old OS
+      if: matrix.os == 'ubuntu-latest' && github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/')
+      run: |
+          if [ ${{ matrix.python-version }} == "3.9" ]; then
+            export PYTHONFOLDER="cp39-cp39"
+          elif [ ${{ matrix.python-version }} == "3.10" ]; then
+            export PYTHONFOLDER="cp310-cp310"
+          elif [ ${{ matrix.python-version }} == "3.11" ]; then
+            export PYTHONFOLDER="cp311-cp311"
+          elif [ ${{ matrix.python-version }} == "3.12" ]; then
+            export PYTHONFOLDER="cp312-cp312"
+          fi
+          mkdir -p $HOME/software
+          docker run --rm -e "PYTHONFOLDER=${PYTHONFOLDER}" -v $GITHUB_WORKSPACE:/home tbaudier/opengate_core:${{ env.GEANT4_VERSION }} /home/.github/workflows/createWheelLinux.sh
+          ls wheelhouse
+          mv wheelhouse/* dist/
+          sudo chown -R runner:docker dist
     - uses: conda-incubator/setup-miniconda@v3
       if: (matrix.os == 'macos-12') || (matrix.os == 'windows-latest')
       with:
diff --git a/docs/source/developer_guide.md b/docs/source/developer_guide.md
index 784b967c0..29bb41eb5 100644
--- a/docs/source/developer_guide.md
+++ b/docs/source/developer_guide.md
@@ -37,10 +37,10 @@ The subpackage `opengate_core` depends on the ITK and Geant4 libraries. Therefor
 
 Installing QT is optional. Currently, QT visualisation is not working on all architectures.
 
-If you wish to use QT, you must install qt5 **before** installing Geant4 so that Geant4 can find the correct qt lib. It can be done for example with conda:
+If you wish to use QT, you must install qt6 **before** installing Geant4 so that Geant4 can find the correct qt lib. It can be done for example with conda:
 
 ```bash
-  conda install qt=5
+  conda install conda-forge::qt6-main conda::forge::qt6-3d
 ```
 
 For **Geant4**, you need to compile with the following options:
@@ -54,6 +54,7 @@ cmake -DCMAKE_CXX_FLAGS=-std=c++17 \
       -DGEANT4_INSTALL_DATADIR=$HOME/software/geant4/data \
       -DGEANT4_USE_QT=ON \
       -DGEANT4_USE_OPENGL_X11=ON \
+      -DGEANT4_USE_QT_QT6=ON \
       -DGEANT4_BUILD_MULTITHREADED=ON \
       ../geant4
 make -j 32
@@ -61,7 +62,7 @@ make -j 32
 
 Change the QT flag (GEANT4_USE_QT) to OFF if you did not install QT.
 
-WARNING : since June 2023, [Geant4 11.1.1](https://geant4.web.cern.ch/download/11.1.1.html) is needed.
+WARNING : since June 2023, [Geant4 11.2.1](https://geant4.web.cern.ch/download/11.2.1.html) is needed.
 
 #### STEP 2 - ITK