diff --git a/CMakeLists.txt b/CMakeLists.txt
index 65575ef..fe925d4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,94 +1,94 @@
+cmake_minimum_required (VERSION 3.5 FATAL_ERROR)
 project(ksnakeduel)
 
-cmake_minimum_required (VERSION 2.8.12 FATAL_ERROR)
-set (QT_MIN_VERSION "5.7.0")
-set (KF5_MIN_VERSION "5.30.0")
+set (QT_MIN_VERSION "5.10.0")
+set (KF5_MIN_VERSION "5.40.0")
 
 find_package(ECM ${KF5_MIN_VERSION} REQUIRED CONFIG)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR})
 
 find_package(Qt5 ${QT_MIN_VERSION} REQUIRED NO_MODULE COMPONENTS Widgets Svg)
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
     Completion
     Config
     ConfigWidgets
     CoreAddons
     Crash
     DBusAddons
     GuiAddons
     I18n
     WidgetsAddons
     XmlGui
 )
 
 find_package(KF5DocTools ${KF5_MIN_VERSION})
 
 find_package(KF5KDEGames 4.9.0 REQUIRED)
 
 include(FeatureSummary)
 include(ECMAddAppIcon)
 include(ECMInstallIcons)
 include(KDEInstallDirs)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings)
 include(ECMQtDeclareLoggingCategory)
 
 
 add_subdirectory(pics)
 add_subdirectory(themes)
 if (KF5DocTools_FOUND)
     add_subdirectory(doc)
 endif()
 
 ########### next target ###############
 
 set(ksnakeduel_SRCS
     renderer.cpp
     object.cpp
     snakepart.cpp
     item.cpp
     obstacle.cpp
     playfield.cpp
     player.cpp
     intelligence.cpp
     tron.cpp
     ktron.cpp
     main.cpp
 )
 
 ecm_qt_declare_logging_category(ksnakeduel_SRCS HEADER ksnakeduel_debug.h IDENTIFIER KSNAKEDUEL_LOG CATEGORY_NAME ksnakeduel_smtp)
 
 ki18n_wrap_ui(ksnakeduel_SRCS general.ui)
 
 kconfig_add_kcfg_files(ksnakeduel_SRCS settings.kcfgc)
 qt5_add_resources(ksnakeduel_SRCS ksnakeduel.qrc)
 
 file(GLOB ICONS_SRCS "${CMAKE_CURRENT_SOURCE_DIR}/pics/*-apps-ksnakeduel.png")
 ecm_add_app_icon(ksnakeduel_SRCS ICONS ${ICONS_SRCS})
 
 add_executable(ksnakeduel ${ksnakeduel_SRCS})
 
 target_link_libraries(ksnakeduel
     Qt5::Svg
     KF5::Crash
     KF5::DBusAddons
     KF5::GuiAddons
     KF5::I18n
     KF5::XmlGui
     KF5KDEGames
     KF5KDEGamesPrivate
 )
 
 install(TARGETS ksnakeduel ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
 
 ########### install files ###############
 
 install(PROGRAMS  org.kde.ksnakeduel.desktop DESTINATION ${KDE_INSTALL_APPDIR})
 install(FILES  ksnakeduel.kcfg DESTINATION ${KDE_INSTALL_KCFGDIR})
 install(FILES  ksnakeduel.knsrc DESTINATION ${KDE_INSTALL_CONFDIR})
 install(FILES  org.kde.ksnakeduel.appdata.xml DESTINATION ${KDE_INSTALL_METAINFODIR})
 
 install( FILES ksnakeduel.categories DESTINATION ${KDE_INSTALL_CONFDIR} )
 
 
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)