diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7a016f1..c31632a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,76 +1,76 @@
-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(KJsEmbed VERSION ${KF5_VERSION})
 
 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})
 
 set(REQUIRED_QT_VERSION 5.9.0)
 find_package(Qt5 "${REQUIRED_QT_VERSION}" CONFIG REQUIRED UiTools Widgets Xml Svg)
 include(KDEInstallDirs)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings)
 
 include(GenerateExportHeader)
 include(CMakePackageConfigHelpers)
 include(ECMSetupVersion)
 include(ECMGenerateHeaders)
 
 ecm_setup_version(PROJECT VARIABLE_PREFIX KJSEMBED
    #VERSION_HEADER "${CMAKE_CURRENT_BINARY_DIR}/kjsembed_version.h"
                         PACKAGE_VERSION_FILE "${CMAKE_CURRENT_BINARY_DIR}/KF5JsEmbedConfigVersion.cmake"
                         SOVERSION 5)
 
 find_package(KF5JS ${KF5_DEP_VERSION} REQUIRED)
 find_package(KF5I18n ${KF5_DEP_VERSION} REQUIRED)
 find_package(KF5DocTools ${KF5_DEP_VERSION})
 
 add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0)
 remove_definitions(-DQT_NO_CAST_FROM_ASCII)
 remove_definitions(-DQT_NO_CAST_FROM_BYTEARRAY)
 
 add_definitions(-DTRANSLATION_DOMAIN=\"kjsembed5\")
 if (IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/po")
     ki18n_install(po)
     if (KF5DocTools_FOUND)
         kdoctools_install(po)
     endif()
 endif()
 if(KF5DocTools_FOUND)
     add_subdirectory(docs)
 endif()
 add_subdirectory(src)
 add_subdirectory(examples/kjsconsole)
 
 # create a Config.cmake and a ConfigVersion.cmake file and install them
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KF5JsEmbed")
 
 include(CMakePackageConfigHelpers)
 
 configure_package_config_file(
   "${CMAKE_CURRENT_SOURCE_DIR}/KF5JsEmbedConfig.cmake.in"
   "${CMAKE_CURRENT_BINARY_DIR}/KF5JsEmbedConfig.cmake"
   INSTALL_DESTINATION  ${CMAKECONFIG_INSTALL_DIR}
 )
 
 install(FILES
   "${CMAKE_CURRENT_BINARY_DIR}/KF5JsEmbedConfig.cmake"
   "${CMAKE_CURRENT_BINARY_DIR}/KF5JsEmbedConfigVersion.cmake"
   DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
   COMPONENT Devel
 )
 
 install(EXPORT KF5JsEmbedTargets DESTINATION "${CMAKECONFIG_INSTALL_DIR}" FILE KF5JsEmbedTargets.cmake NAMESPACE KF5:: )
 
 #install(FILES
 #${CMAKE_CURRENT_BINARY_DIR}/kjsembed_version.h
 #DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5} COMPONENT Devel
 #)
 
 feature_summary(WHAT ALL   FATAL_ON_MISSING_REQUIRED_PACKAGES)