diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt
index 6919b76..43d5e71 100644
--- a/autotests/CMakeLists.txt
+++ b/autotests/CMakeLists.txt
@@ -1,35 +1,35 @@
 include(ECMMarkAsTest)
 include(ECMAddTests)
 
-set(QT_REQUIRED_VERSION "5.8.0")
+set(QT_REQUIRED_VERSION "5.9.0")
 find_package(Qt5Test ${QT_REQUIRED_VERSION} CONFIG REQUIRED)
 
 
 
 set( KDEPIMLIBS_RUN_ISOLATED_TESTS TRUE )
 
 set( PREVIOUS_EXEC_OUTPUT_PATH ../../tests )
 set( EXECUTABLE_OUTPUT_PATH ${CMAKE_CURRENT_BINARY_DIR} )
 
 set(common_sources unittestbase.cpp helper.cpp ${Akonadi-Calendar_BINARY_DIR}/src/akonadicalendar_debug.cpp ${Akonadi-Calendar_SOURCE_DIR}/src/utils_p.cpp)
 set(common_libs "KF5::AkonadiCalendar;KF5::CalendarCore;KF5::Mime;KF5::IdentityManagement;KF5::AkonadiWidgets;KF5::Codecs")
 
 # the tests need the ical resource, which we might not have at this point (e.g. on the CI)
 find_program(AKONADI_ICAL_RESOURCE NAMES akonadi_ical_resource)
 if (AKONADI_ICAL_RESOURCE)
 add_akonadi_isolated_test_advanced( historytest.cpp "${common_sources}" "${common_libs}")
 add_akonadi_isolated_test_advanced( incidencechangertest.cpp "" "KF5::AkonadiCalendar" )
 add_akonadi_isolated_test_advanced( calendarbasetest.cpp "" "KF5::AkonadiCalendar" )
 add_akonadi_isolated_test_advanced( fetchjobcalendartest.cpp "" "KF5::AkonadiCalendar" )
 add_akonadi_isolated_test_advanced( etmcalendartest.cpp "" "KF5::AkonadiCalendar" )
 
 add_akonadi_isolated_test_advanced( itiphandlertest.cpp "${common_sources}" "${common_libs};KF5::MailTransportAkonadi")
 add_akonadi_isolated_test_advanced( mailclienttest.cpp "" "KF5::AkonadiCalendar;KF5::Mime;KF5::MailTransportAkonadi;KF5::IdentityManagement")
 
 endif()
 
 
 ecm_add_test(kcalcoreserializertest.cpp ../serializers/akonadi_serializer_kcalcore.cpp
     LINK_LIBRARIES KF5::CalendarUtils KF5::CalendarCore KF5::AkonadiCore KF5::I18n Qt5::Test
     TEST_NAME kcalcoreserializertest
 )