diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2d0daa4..10011cc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,147 +1,149 @@
 cmake_minimum_required(VERSION 3.5)
 
 set(KF5_VERSION "5.64.0")
 project(KSyntaxHighlighting VERSION ${KF5_VERSION})
 
 find_package(ECM 5.63.0 REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
 if(POLICY CMP0063)
     cmake_policy(SET CMP0063 NEW)
 endif()
 
 include(KDEInstallDirs)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings)
 include(KDEClangFormat)
 
 include(FeatureSummary)
 include(GenerateExportHeader)
 include(ECMSetupVersion)
 include(ECMGenerateHeaders)
 include(ECMGeneratePriFile)
 include(CMakePackageConfigHelpers)
 include(ECMPoQmTools)
 include(ECMQtDeclareLoggingCategory)
 include(ECMMarkNonGuiExecutable)
 include(ECMAddQch)
 include(ECMOptionalAddSubdirectory)
 
 
 ecm_setup_version(PROJECT
     VARIABLE_PREFIX SyntaxHighlighting
     VERSION_HEADER "${CMAKE_CURRENT_BINARY_DIR}/ksyntaxhighlighting_version.h"
     PACKAGE_VERSION_FILE "${CMAKE_CURRENT_BINARY_DIR}/KF5SyntaxHighlightingConfigVersion.cmake"
 )
 
 #
 # Dependencies
 #
 set(REQUIRED_QT_VERSION 5.11.0)
 find_package(Qt5 ${REQUIRED_QT_VERSION} NO_MODULE REQUIRED COMPONENTS Core Network Test)
 option(KSYNTAXHIGHLIGHTING_USE_GUI "Build components depending on Qt5Gui" ON)
 if(KSYNTAXHIGHLIGHTING_USE_GUI)
     find_package(Qt5 ${REQUIRED_QT_VERSION} NO_MODULE REQUIRED COMPONENTS Gui)
 endif()
 find_package(Qt5 ${REQUIRED_QT_VERSION} NO_MODULE QUIET OPTIONAL_COMPONENTS PrintSupport Widgets XmlPatterns)
 set_package_properties(Qt5 PROPERTIES URL "http://qt-project.org/")
 set_package_properties(Qt5Widgets PROPERTIES PURPOSE "Example application.")
 set_package_properties(Qt5PrintSupport PROPERTIES PURPOSE "Example application.")
 set_package_properties(Qt5XmlPatterns PROPERTIES PURPOSE "Compile-time validation of syntax definition files.")
 
 find_package(Perl REQUIRED)
 set_package_properties(Perl PROPERTIES PURPOSE "Auto-generate PHP syntax definition files.")
 
 #
 # allow to install the "differently" licensed syntax xml files instead of putting them in a QRC and link them in
 #
 option(QRC_SYNTAX "Bundle the syntax definition files inside the library as resources" ON)
 add_feature_info(SYNTAX_RESOURCE ${QRC_SYNTAX} "Bundle the syntax definition files inside the library as resources")
 
 #
 # allow to turn of lookup for syntax files and themes via QStandardPaths
 #
 option(NO_STANDARD_PATHS "Skip lookup of syntax and theme definitions in QStandardPaths locations" OFF)
 add_feature_info(FEATURE_NO_STANDARD_PATHS ${NO_STANDARD_PATHS} "Skip lookup of syntax and theme definitions in QStandardPaths locations")
 
 #
 # API documentation
 #
 option(BUILD_QCH "Build API documentation in QCH format (for e.g. Qt Assistant, Qt Creator & KDevelop)" OFF)
 add_feature_info(QCH ${BUILD_QCH} "API documentation in QCH format (for e.g. Qt Assistant, Qt Creator & KDevelop)")
 
 #
 # Translations
 #
 if (IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/po")
     ecm_install_po_files_as_qm(po)
 endif()
 
 # tell the framework if it shall use the syntax files from the resource
 if (QRC_SYNTAX)
     add_definitions(-DHAS_SYNTAX_RESOURCE)
 endif()
 
 # skip standard paths?
 if (NO_STANDARD_PATHS)
     add_definitions(-DNO_STANDARD_PATHS)
 endif()
 add_definitions(-DQT_NO_FOREACH)
+add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x050d00)
+add_definitions(-DQT_DEPRECATED_WARNINGS_SINCE=0x060000)
 
 #
 # Actually build the stuff
 #
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 add_subdirectory(data)
 add_subdirectory(src)
 if(TARGET Qt5::Gui)
     add_subdirectory(examples)
     if (BUILD_TESTING)
         add_subdirectory(autotests)
     endif()
 endif()
 
 #
 # CMake package config file generation
 #
 set(CMAKECONFIG_INSTALL_DIR "${CMAKECONFIG_INSTALL_PREFIX}/KF5SyntaxHighlighting")
 
 if (BUILD_QCH)
     ecm_install_qch_export(
         TARGETS KF5SyntaxHighlighting_QCH
         FILE KF5SyntaxHighlightingQchTargets.cmake
         DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
         COMPONENT Devel
     )
     set(PACKAGE_INCLUDE_QCHTARGETS "include(\"\${CMAKE_CURRENT_LIST_DIR}/KF5SyntaxHighlightingQchTargets.cmake\")")
 endif()
 
 configure_package_config_file(
     "${CMAKE_CURRENT_SOURCE_DIR}/KF5SyntaxHighlightingConfig.cmake.in"
     "${CMAKE_CURRENT_BINARY_DIR}/KF5SyntaxHighlightingConfig.cmake"
     INSTALL_DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
 )
 
 install(FILES
         "${CMAKE_CURRENT_BINARY_DIR}/KF5SyntaxHighlightingConfig.cmake"
         "${CMAKE_CURRENT_BINARY_DIR}/KF5SyntaxHighlightingConfigVersion.cmake"
         DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
         COMPONENT Devel)
 
 if(TARGET KF5SyntaxHighlighting)
     install(EXPORT KF5SyntaxHighlightingTargets
         DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
         FILE KF5SyntaxHighlightingTargets.cmake
         NAMESPACE KF5::)
 endif()
 
 install(FILES "${CMAKE_CURRENT_BINARY_DIR}/ksyntaxhighlighting_version.h"
         DESTINATION "${KDE_INSTALL_INCLUDEDIR_KF5}"
         COMPONENT Devel)
 install(FILES org_kde_ksyntaxhighlighting.categories  DESTINATION  ${KDE_INSTALL_LOGGINGCATEGORIESDIR})
 
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)
 
 # add clang-format target for all our real source files
 file(GLOB ALL_CLANG_FORMAT_TEST_FILES autotests/*.cpp autotests/*.h)
 file(GLOB_RECURSE ALL_CLANG_FORMAT_SOURCE_FILES examples/*.cpp examples/*.h src/*.cpp src/*.h)
 kde_clang_format(${ALL_CLANG_FORMAT_TEST_FILES} ${ALL_CLANG_FORMAT_SOURCE_FILES})