diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3f06b48..1bea226 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,60 +1,60 @@
 project(knetwalk)
-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 NO_MODULE)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR})
 
 find_package(Qt5 ${QT_MIN_VERSION} REQUIRED NO_MODULE COMPONENTS Widgets Qml Quick)
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
     Config
     ConfigWidgets
     CoreAddons
     Crash
     DBusAddons
     DocTools
     I18n
     TextWidgets
     WidgetsAddons
     XmlGui
 )
 
 find_package(KF5KDEGames 4.9.0 REQUIRED)
 
 find_package(Qt5Test ${QT_MIN_VERSION} QUIET)
 set_package_properties(Qt5Test PROPERTIES
     PURPOSE "Required for tests"
     TYPE OPTIONAL)
 add_feature_info("Qt5Test" Qt5Test_FOUND "Required for building tests")
 if (NOT Qt5Test_FOUND)
     set(BUILD_TESTING OFF CACHE BOOL "Build the testing tree.")
 endif()
 
 include(FeatureSummary)
 include(ECMAddAppIcon)
 include(ECMInstallIcons)
 include(KDEInstallDirs)
 include(KDECompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings)
 include(ECMAddTests)
 
 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(themes)
 add_subdirectory(doc)
 
 if(BUILD_TESTING)
     add_subdirectory(autotests)
 endif()
 
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)