diff --git a/.gitignore b/.gitignore
index 3ea4ec2..2d40faf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,7 +22,7 @@ build/
 deploy/
 setup/
 
-app/
+tmp/
 _CPack_Packages/
 
 *.app
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c9293d7..c35a234 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,7 +56,7 @@ elseif (UNIX)
 endif()
 
 # Set USE_CPACK option.
-set(USE_CPACK OFF)
+set(USE_CPACK ON)
 
 # Install the application for the target platform.
 if (WIN32)
diff --git a/cmake/installUbuntu.cmake b/cmake/installUbuntu.cmake
index ef2dce5..7341384 100644
--- a/cmake/installUbuntu.cmake
+++ b/cmake/installUbuntu.cmake
@@ -5,8 +5,44 @@ else()
     set(CMAKE_INSTALL_PREFIX "" CACHE PATH "Install path prefix, prepended onto install directories." FORCE)
 endif()
 
-# Install RUNTIME targets and dependencies.
-install(TARGETS ${CMAKE_PROJECT_NAME} RUNTIME_DEPENDENCIES DESTINATION "${CMAKE_INSTALL_PREFIX}/opt/${CMAKE_PROJECT_NAME}/bin/" )
+# Install target RUNTIME.
+install(TARGETS ${CMAKE_PROJECT_NAME} RUNTIME_DEPENDENCY_SET RunTimeDependencySet RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}/opt/${CMAKE_PROJECT_NAME}/bin/" )
+
+# Install target RUNTIME dependencies.
+install(RUNTIME_DEPENDENCY_SET RunTimeDependencySet DESTINATION "${CMAKE_INSTALL_PREFIX}/opt/${CMAKE_PROJECT_NAME}/lib/")
+
+# Get Qt6 lib directory.
+get_target_property(Qt6_LIB_DIR Qt6::Core LOCATION)
+get_filename_component(Qt6_LIB_DIR ${Qt6_LIB_DIR} DIRECTORY)
+
+# Install Qt6 missing libraries.
+file(GLOB LIBWAYLAND "${Qt6_LIB_DIR}/libQt6Wayland*")
+install(FILES ${LIBWAYLAND} DESTINATION "${CMAKE_INSTALL_PREFIX}/opt/${CMAKE_PROJECT_NAME}/lib/")
+file(GLOB LIBXCB_FILES "${Qt6_LIB_DIR}/libQt6Xcb*")
+install(FILES ${LIBXCB} DESTINATION "${CMAKE_INSTALL_PREFIX}/opt/${CMAKE_PROJECT_NAME}/lib/")
+
+# Get Qt6 plugins directory.
+set(Qt6_PLUGINS_DIR "${Qt6_LIB_DIR}/../plugins")
+
+# Install the Qt6 plugins.
+LIST(APPEND Qt6_PLUGINS_LIST
+    "xcbglintegrations"
+    "wayland-shell-integration"
+    "wayland-graphics-integration-client"
+    "wayland-decoration-client"
+    "tls"
+    "networkinformation"
+    "imageformats"
+    "iconengines"
+    "generic"
+    "platforms"
+)
+foreach(PLUGIN ${Qt6_PLUGINS_LIST})
+    install(DIRECTORY "${Qt6_PLUGINS_DIR}/${PLUGIN}" 
+    DESTINATION "${CMAKE_INSTALL_PREFIX}/opt/${CMAKE_PROJECT_NAME}/plugins" 
+    USE_SOURCE_PERMISSIONS 
+    PATTERN "*.debug" EXCLUDE)
+endforeach()
 
 # Install app script file
 # Cope app script file directly to usr/local/bin sometimes run into permission issues,
diff --git a/package/ubuntu/app.sh b/package/ubuntu/app.sh
index 4488fc8..5d2390d 100644
--- a/package/ubuntu/app.sh
+++ b/package/ubuntu/app.sh
@@ -3,9 +3,13 @@
 appname="visParaflow"
 
 # Set LD_LIBRARY_PATH.
-LD_LIBRARY_PATH=/opt/$appname/bin
+LD_LIBRARY_PATH=/opt/$appname/lib
 export LD_LIBRARY_PATH
 
+# Set QT_PLUGIN_PATH.
+QT_PLUGIN_PATH=/opt/$appname/plugins
+export QT_PLUGIN_PATH
+
 # Set QT_QPA_PLATFORM to xcb or wayland.
 export QT_QPA_PLATFORM=wayland
 
diff --git a/package/ubuntu/make-app.sh b/package/ubuntu/make-app.sh
index c821ab7..1771660 100755
--- a/package/ubuntu/make-app.sh
+++ b/package/ubuntu/make-app.sh
@@ -18,32 +18,34 @@ fi
 setupdir="../../setup/ubuntu"
 mkdir -p $setupdir
 
-# Define the staging package directory
-pkgdir="app"
+# Define the staging directory
+tmpdir="app"
 
-# Delete the old staging package directory.
-rm -rf $pkgdir
-echo "The old staging package directory has been deleted."
+# Delete the old staging directory.
+rm -rf $tmpdir
+echo "The old staging directory has been deleted."
 
 # Create the destination directory
-mkdir -p $pkgdir/DEBIAN
-mkdir -p $pkgdir/opt/$appname/bin
-mkdir -p $pkgdir/usr/share/applications
-mkdir -p $pkgdir/usr/share/icons/hicolor/48x48/apps
-echo "The staging package directories have been created."
+mkdir -p $tmpdir/DEBIAN
+mkdir -p $tmpdir/opt/$appname/bin
+mkdir -p $tmpdir/opt/$appname/lib
+mkdir -p $tmpdir/opt/$appname/plugins
+mkdir -p $tmpdir/usr/share/applications
+mkdir -p $tmpdir/usr/share/icons/hicolor/48x48/apps
+echo "The staging direcotry has been created."
 
 # Copy the DEBIAN control files.
-cp -r debian/* $pkgdir/DEBIAN/
-echo "The DEBIAN control files have been copied to the staging package directory."
+cp -r debian/* $tmpdir/DEBIAN/
+echo "The DEBIAN control files have been copied to the staging directory."
 
 # Copy the deployed files.
-cp -r $depdir/* $pkgdir/
-echo "The deployed files have been copied to the staging package directory."
+cp -r $depdir/* $tmpdir/
+echo "The deployed files have been copied to the staging directory."
 
 # Create the DEBIAN package.
-dpkg-deb --build $pkgdir $setupdir/$appname-$verison.deb
+dpkg-deb --build $tmpdir $setupdir/$appname-$verison.deb
 echo "The DEBIAN package has been created."
 
-# Delete the staging package directory.
-rm -rf $pkgdir
-echo "The staging package directory has been deleted."
+# Delete the staging directory.
+rm -rf $tmpdir
+echo "The staging directory has been deleted."