diff --git a/CMakeLists.txt b/CMakeLists.txt
index c96d27d..ee3bd55 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,47 +1,47 @@
 project(kigo)
 
-cmake_minimum_required (VERSION 2.8.12 FATAL_ERROR)
+cmake_minimum_required (VERSION 3.5 FATAL_ERROR)
 set (QT_MIN_VERSION "5.7.0")
 set (KF5_MIN_VERSION "5.30.0")
 
 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
     CoreAddons
     Config
     Crash
     DBusAddons
     DocTools
     I18n
     ConfigWidgets
     TextWidgets
     XmlGui
     KIO
     NewStuff
 )
 
 find_package(KF5KDEGames 4.9.0 REQUIRED)
 
 include(FeatureSummary)
 include(ECMAddAppIcon)
 include(ECMInstallIcons)
 include(KDEInstallDirs)
 include(KDECompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings)
 
 add_definitions(
     -DQT_USE_FAST_CONCATENATION
     -DQT_USE_FAST_OPERATOR_PLUS
 #    -DQT_NO_CAST_FROM_ASCII
     -DQT_NO_CAST_TO_ASCII
     -DQT_NO_CAST_FROM_BYTEARRAY
     -DQT_NO_URL_CAST_FROM_STRING
     -DQT_USE_QSTRINGBUILDER
 )
 
 add_subdirectory(src)
 add_subdirectory(data)
 add_subdirectory(doc)
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)