diff --git a/CMakeLists.txt b/CMakeLists.txt
index aeab2c7..3c70f8a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,137 +1,137 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.5)
 
 set(KF5_VERSION "5.53.0") # handled by release scripts
 set(KF5_DEP_VERSION "5.53.0") # handled by release scripts
 project(KNotifications VERSION ${KF5_VERSION})
 
 # ECM setup
 include(FeatureSummary)
 find_package(ECM 5.53.0  NO_MODULE)
 set_package_properties(ECM PROPERTIES TYPE REQUIRED DESCRIPTION "Extra CMake Modules." URL "https://projects.kde.org/projects/kdesupport/extra-cmake-modules")
 feature_summary(WHAT REQUIRED_PACKAGES_NOT_FOUND FATAL_ON_MISSING_REQUIRED_PACKAGES)
 
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules)
 
 
 include(GenerateExportHeader)
 include(ECMSetupVersion)
 include(ECMGenerateHeaders)
 include(ECMQtDeclareLoggingCategory)
 include(ECMPoQmTools)
 include(ECMAddQch)
 
 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)")
 
 ecm_setup_version(PROJECT
   VARIABLE_PREFIX KNOTIFICATIONS
   VERSION_HEADER "${CMAKE_CURRENT_BINARY_DIR}/knotifications_version.h"
   PACKAGE_VERSION_FILE "${CMAKE_CURRENT_BINARY_DIR}/KF5NotificationsConfigVersion.cmake"
 
                         SOVERSION 5)
 
 # Dependencies
 set(REQUIRED_QT_VERSION 5.9.0)
 
 find_package(Qt5 ${REQUIRED_QT_VERSION} CONFIG REQUIRED Widgets DBus)
 find_package(Qt5 ${REQUIRED_QT_VERSION} QUIET OPTIONAL_COMPONENTS TextToSpeech)
 set_package_properties(Qt5TextToSpeech PROPERTIES
    DESCRIPTION "Qt text to speech module"
    TYPE OPTIONAL
    PURPOSE "Required to build text to speech notification support")
 if (Qt5TextToSpeech_FOUND)
   add_definitions(-DHAVE_SPEECH)
 endif()
 
 include(KDEInstallDirs)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings)
 
 if (NOT APPLE AND NOT WIN32)
     find_package(X11)
 endif()
 
 set(HAVE_X11 ${X11_FOUND})
 set(HAVE_XTEST ${X11_XTest_FOUND})
 if(X11_FOUND)
    find_package(Qt5X11Extras ${REQUIRED_QT_VERSION} REQUIRED NO_MODULE)
 endif()
 if(APPLE)
    find_package(Qt5MacExtras ${REQUIRED_QT_VERSION} REQUIRED NO_MODULE)
 endif()
 
 find_package(KF5WindowSystem ${KF5_DEP_VERSION} REQUIRED)
 find_package(KF5Config ${KF5_DEP_VERSION} REQUIRED)
 find_package(KF5Codecs ${KF5_DEP_VERSION} REQUIRED)
 find_package(KF5CoreAddons ${KF5_DEP_VERSION} REQUIRED)
 
 find_package(Canberra)
 set_package_properties(Canberra PROPERTIES DESCRIPTION "Library for generating event sounds"
     PURPOSE "Needed to build audio notification support"
     URL "http://0pointer.de/lennart/projects/libcanberra"
     TYPE OPTIONAL)
 if (CANBERRA_FOUND)
     add_definitions(-DHAVE_CANBERRA)
 else()
     find_package(Phonon4Qt5 4.6.60 NO_MODULE)
     set_package_properties(Phonon4Qt5 PROPERTIES
         DESCRIPTION "Qt-based audio library"
         # This is REQUIRED since you cannot tell CMake "either one of those two optional ones are required"
         TYPE REQUIRED
         PURPOSE "Needed to build audio notification support when Canberra isn't available")
     if (Phonon4Qt5_FOUND)
         add_definitions(-DHAVE_PHONON4QT5)
     endif()
 endif()
 
 remove_definitions(-DQT_NO_CAST_FROM_BYTEARRAY)
 
 if (IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/po")
     ecm_install_po_files_as_qm(po)
 endif()
 
 add_subdirectory(src)
 if (BUILD_TESTING)
     add_subdirectory(tests)
     add_subdirectory(autotests)
 endif()
 
 # create a Config.cmake and a ConfigVersion.cmake file and install them
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KF5Notifications")
 
 if (BUILD_QCH)
     ecm_install_qch_export(
         TARGETS KF5Notifications_QCH
         FILE KF5NotificationsQchTargets.cmake
         DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
         COMPONENT Devel
     )
     set(PACKAGE_INCLUDE_QCHTARGETS "include(\"\${CMAKE_CURRENT_LIST_DIR}/KF5NotificationsQchTargets.cmake\")")
 endif()
 
 include(CMakePackageConfigHelpers)
 
 configure_package_config_file(
   "${CMAKE_CURRENT_SOURCE_DIR}/KF5NotificationsConfig.cmake.in"
   "${CMAKE_CURRENT_BINARY_DIR}/KF5NotificationsConfig.cmake"
   PATH_VARS KDE_INSTALL_DBUSINTERFACEDIR
   INSTALL_DESTINATION  ${CMAKECONFIG_INSTALL_DIR}
 )
 
 install(FILES
   "${CMAKE_CURRENT_BINARY_DIR}/KF5NotificationsConfig.cmake"
   "${CMAKE_CURRENT_BINARY_DIR}/KF5NotificationsConfigVersion.cmake"
   DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
   COMPONENT Devel
 )
 
 install(EXPORT KF5NotificationsTargets DESTINATION "${CMAKECONFIG_INSTALL_DIR}" FILE KF5NotificationsTargets.cmake NAMESPACE KF5:: )
 
 install(FILES
    ${CMAKE_CURRENT_BINARY_DIR}/knotifications_version.h
   DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5} COMPONENT Devel
 )
 install(FILES knotifications.categories DESTINATION ${KDE_INSTALL_CONFDIR})
 
 
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)