diff --git a/CMakeLists.txt b/CMakeLists.txt
index 058093a..da883b9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,88 +1,88 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.5)
 
 set(KF5_VERSION "5.53.0") # handled by release scripts
 project(KJS 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)
 
 
 include(GenerateExportHeader)
 include(CMakePackageConfigHelpers)
 include(ECMSetupVersion)
 include(ECMMarkNonGuiExecutable)
 
 ecm_setup_version(PROJECT VARIABLE_PREFIX KJS
                         VERSION_HEADER "${CMAKE_CURRENT_BINARY_DIR}/kjs_version.h"
                         PACKAGE_VERSION_FILE "${CMAKE_CURRENT_BINARY_DIR}/KF5JSConfigVersion.cmake"
                         SOVERSION 5)
 
 # Dependencies
 include(KDEInstallDirs)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings)
 
 # Most of KJS doesn't even require Qt, thus we can't use override 
 string(REPLACE "-Wsuggest-override" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 
 set(REQUIRED_QT_VERSION 5.9.0)
 find_package(Qt5Core ${REQUIRED_QT_VERSION} REQUIRED NO_MODULE)
 
 find_package(Perl)
 set_package_properties(Perl PROPERTIES URL "http://www.perl.org" TYPE REQUIRED PURPOSE "Needed for building kdelibs")
 
 #Do not make PCRE optional here. PCRE is a hard requirement for modern systems
 #but we give old systems some slack... that's why we don't specify "REQUIRED".
 find_package(PCRE)
 
 set_package_properties(PCRE PROPERTIES
                        URL "http://www.pcre.org"
                        DESCRIPTION "Perl-compatible regular expressions in KJS"
                        TYPE OPTIONAL
                        PURPOSE "Without PCRE, KJS will have extremely poor regular expression support, breaking many webpages.")
 
 option(KJS_FORCE_DISABLE_PCRE "Force building of KJS without PCRE. Doing this will result in many webpage working incorrectly, due to extremely poor regular expression support")
 
 # TODO: Remove these
 remove_definitions(-DQT_NO_CAST_FROM_ASCII)
 
 find_package(KF5DocTools ${KF5_DEP_VERSION})
 
 add_subdirectory(src)
 if (BUILD_TESTING)
     add_subdirectory(autotests)
     add_subdirectory(tests)
 endif()
 if(KF5DocTools_FOUND)
     add_subdirectory(docs)
 endif()
 
 # create a Config.cmake and a ConfigVersion.cmake file and install them
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KF5JS")
 
 configure_package_config_file(
     "${CMAKE_CURRENT_SOURCE_DIR}/KF5JSConfig.cmake.in"
     "${CMAKE_CURRENT_BINARY_DIR}/KF5JSConfig.cmake"
     PATH_VARS KDE_INSTALL_DATADIR_KF5
     INSTALL_DESTINATION  ${CMAKECONFIG_INSTALL_DIR}
 )
 
 install(FILES  "${CMAKE_CURRENT_BINARY_DIR}/KF5JSConfig.cmake"
                "${CMAKE_CURRENT_BINARY_DIR}/KF5JSConfigVersion.cmake"
         DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
         COMPONENT Devel )
 
 install(EXPORT KF5JSTargets DESTINATION "${CMAKECONFIG_INSTALL_DIR}" FILE KF5JSTargets.cmake NAMESPACE KF5:: )
 
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/kjs_version.h DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5} COMPONENT Devel )
 
 if(KF5DocTools_FOUND)
     kdoctools_install(po)
 endif()
 
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)