diff --git a/CMakeLists.txt b/CMakeLists.txt
index f97b9d6a2..5f7e073cd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,94 +1,95 @@
 cmake_minimum_required(VERSION 3.5)
 
 set(PIM_VERSION "5.14.40")
 project(KCalUtils VERSION ${PIM_VERSION})
 
 # ECM setup
 set(KF5_MIN_VERSION "5.71.0")
+set(QT_REQUIRED_VERSION "5.13.0")
 
 find_package(ECM ${KF5_MIN_VERSION} CONFIG REQUIRED)
 set(CMAKE_MODULE_PATH ${KCalUtils_SOURCE_DIR}/cmake ${ECM_MODULE_PATH})
 
 include(KDEInstallDirs)
 include(KDECMakeSettings)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 
 include(ECMGenerateHeaders)
 include(GenerateExportHeader)
 include(ECMGeneratePriFile)
 
 include(ECMSetupVersion)
 include(FeatureSummary)
 include(ECMQtDeclareLoggingCategory)
 
 include(KPIMGrantleeMacros)
 
 set(CALENDARUTILS_LIB_VERSION ${PIM_VERSION})
 set(IDENTITYMANAGER_LIB_VERSION "5.14.40")
 ecm_setup_version(PROJECT VARIABLE_PREFIX KCALUTILS
                         VERSION_HEADER "${CMAKE_CURRENT_BINARY_DIR}/kcalutils_version.h"
                         PACKAGE_VERSION_FILE "${CMAKE_CURRENT_BINARY_DIR}/KF5CalendarUtilsConfigVersion.cmake"
                         SOVERSION 5
 )
 
 ########### Find packages ###########
 find_package(KF5CoreAddons ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5Config ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5I18n ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5Codecs ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5WidgetsAddons ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5ConfigWidgets ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5IconThemes ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(Grantlee5 "5.2" CONFIG REQUIRED)
 
 find_package(KF5CalendarCore ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5IdentityManagement ${IDENTITYMANAGER_LIB_VERSION} CONFIG REQUIRED)
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 add_definitions(-DTRANSLATION_DOMAIN=\"libkcalutils5\")
 add_definitions(-DQT_NO_FOREACH)
 add_definitions(-DQT_NO_KEYWORDS)
 
 add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x050e00)
 add_definitions(-DKF_DISABLE_DEPRECATED_BEFORE_AND_AT=0x054700)
 
 if(BUILD_TESTING)
   add_definitions(-DBUILD_TESTING)
 endif()
 
 ########### Targets ###########
 add_subdirectory(src)
 
 if(BUILD_TESTING)
   add_subdirectory(autotests)
 endif()
 
 ########### CMake Config Files ###########
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KF5CalendarUtils")
 
 configure_package_config_file(
   "${CMAKE_CURRENT_SOURCE_DIR}/KF5CalendarUtilsConfig.cmake.in"
   "${CMAKE_CURRENT_BINARY_DIR}/KF5CalendarUtilsConfig.cmake"
   INSTALL_DESTINATION ${CMAKECONFIG_INSTALL_DIR}
 )
 
 install(FILES
   "${CMAKE_CURRENT_BINARY_DIR}/KF5CalendarUtilsConfig.cmake"
   "${CMAKE_CURRENT_BINARY_DIR}/KF5CalendarUtilsConfigVersion.cmake"
   DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
   COMPONENT Devel
 )
 
 install(EXPORT KF5CalendarUtilsTargets
   DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
   FILE KF5CalendarUtilsTargets.cmake
   NAMESPACE KF5::
 )
 
 install(FILES
   ${CMAKE_CURRENT_BINARY_DIR}/kcalutils_version.h
   DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5}
   COMPONENT Devel
 )
 
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)
diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt
index ead496ae0..02c9a6f1c 100644
--- a/autotests/CMakeLists.txt
+++ b/autotests/CMakeLists.txt
@@ -1,27 +1,26 @@
 include(ECMAddTests)
 
-set(QT_REQUIRED_VERSION "5.9.0")
 find_package(Qt5 ${QT_REQUIRED_VERSION} CONFIG REQUIRED COMPONENTS Test)
 
 set(TEST_DATA_DIR "${CMAKE_CURRENT_SOURCE_DIR}/data")
 set(TEST_TEMPLATE_PATH "${CMAKE_SOURCE_DIR}/templates")
 set(TEST_PLUGIN_PATH "${CMAKE_BINARY_DIR}/grantlee")
 configure_file(test_config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/test_config.h @ONLY)
 
 include_directories(${CMAKE_SOURCE_DIR}/src ${CMAKE_BINARY_DIR}/src)
 
 ecm_add_tests(testdndfactory.cpp teststringify.cpp testtodotooltip.cpp
     NAME_PREFIX "kcalutils-"
     LINK_LIBRARIES KF5CalendarUtils KF5::I18n Qt5::Test
 )
 
 
 ecm_add_test(testincidenceformatter.cpp
     TEST_NAME "testincidenceformatter"
     NAME_PREFIX "kcalutils-"
     LINK_LIBRARIES KF5CalendarUtils Qt5::Core Qt5::Test KF5::CalendarCore KF5::I18n KF5::IdentityManagement Grantlee5::Templates
 )
 
 # Make sure that dates are formatted in C locale
 set_tests_properties(kcalutils-testincidenceformatter PROPERTIES ENVIRONMENT "LC_ALL=C")
 set_tests_properties(kcalutils-testtodotooltip PROPERTIES ENVIRONMENT "LC_ALL=C")