diff --git a/CMakeLists.txt b/CMakeLists.txt
index 329308acd..44505c1e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,91 +1,91 @@
-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(KXmlRpcClient VERSION ${KF5_VERSION})
 
 # ECM setup
 include(FeatureSummary)
 find_package(ECM 5.53.0 CONFIG )
 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})
 
 include(GenerateExportHeader)
 include(ECMGenerateHeaders)
 include(ECMGeneratePriFile)
 include(CMakePackageConfigHelpers)
 include(ECMSetupVersion)
 
 include(KDEInstallDirs)
 include(KDECMakeSettings)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(ECMQtDeclareLoggingCategory)
 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)")
 
 #add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000)
 add_definitions(-DTRANSLATION_DOMAIN=\"libkxmlrpcclient5\")
 ecm_setup_version(PROJECT VARIABLE_PREFIX KXMLRPCCLIENT
                         VERSION_HEADER "${CMAKE_CURRENT_BINARY_DIR}/kxmlrpcclient_version.h"
                         PACKAGE_VERSION_FILE "${CMAKE_CURRENT_BINARY_DIR}/KF5XmlRpcClientConfigVersion.cmake"
                         SOVERSION 5
 )
 
 ########### Find packages ###########
 find_package(KF5I18n ${KF5_DEP_VERSION} CONFIG REQUIRED)
 find_package(KF5KIO ${KF5_DEP_VERSION} CONFIG REQUIRED)
 
 if(BUILD_TESTING)
    add_definitions(-DBUILD_TESTING)
 endif(BUILD_TESTING)
 
 ########### Targets ###########
 if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/po")
    ki18n_install(po)
 endif()
 add_subdirectory(src)
 if (BUILD_TESTING)
      add_subdirectory(autotests)
 endif()
 
 ########### CMake Config Files ###########
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KF5XmlRpcClient")
 
 if (BUILD_QCH)
     ecm_install_qch_export(
         TARGETS KF5XmlRpcClient_QCH
         FILE KF5XmlRpcClientQchTargets.cmake
         DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
         COMPONENT Devel
     )
     set(PACKAGE_INCLUDE_QCHTARGETS "include(\"\${CMAKE_CURRENT_LIST_DIR}/KF5XmlRpcClientQchTargets.cmake\")")
 endif()
 
 configure_package_config_file(
   "${CMAKE_CURRENT_SOURCE_DIR}/KF5XmlRpcClientConfig.cmake.in"
   "${CMAKE_CURRENT_BINARY_DIR}/KF5XmlRpcClientConfig.cmake"
   INSTALL_DESTINATION  ${CMAKECONFIG_INSTALL_DIR}
 )
 
 install(FILES
   "${CMAKE_CURRENT_BINARY_DIR}/KF5XmlRpcClientConfig.cmake"
   "${CMAKE_CURRENT_BINARY_DIR}/KF5XmlRpcClientConfigVersion.cmake"
   DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
   COMPONENT Devel
 )
 
 install(EXPORT KF5XmlRpcClientTargets DESTINATION "${CMAKECONFIG_INSTALL_DIR}" FILE KF5XmlRpcClientTargets.cmake NAMESPACE KF5::)
 
 install(FILES
    ${CMAKE_CURRENT_BINARY_DIR}/kxmlrpcclient_version.h
   DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5}
   COMPONENT Devel
 )
 
 install(FILES kxmlrpcclient.categories kxmlrpcclient.renamecategories DESTINATION ${KDE_INSTALL_CONFDIR})
 
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)