diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@
 set(PROJECT_VERSION_MAJOR 5)
 
 set(QT_MIN_VERSION "5.11.0")
-set(KF5_MIN_VERSION "5.54.0")
+set(KF5_MIN_VERSION "5.56.0")
 
 find_package(ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules)
diff --git a/kcms/dateandtime/CMakeLists.txt b/kcms/dateandtime/CMakeLists.txt
--- a/kcms/dateandtime/CMakeLists.txt
+++ b/kcms/dateandtime/CMakeLists.txt
@@ -13,7 +13,7 @@
 target_link_libraries(kcm_clock
     Qt5::DBus
     KF5::ItemViews
-    KF5::Auth
+    KF5::AuthCore
     KF5::KCMUtils
     KF5::I18n
     KF5::KIOCore
@@ -28,7 +28,7 @@
 #This is only needed when not using timedated and can be removed in future
 
 add_executable(kcmdatetimehelper helper.cpp ${helper_mocs})
-target_link_libraries(kcmdatetimehelper KF5::Auth KF5::ConfigCore KF5::KDELibs4Support)
+target_link_libraries(kcmdatetimehelper KF5::AuthCore KF5::ConfigCore KF5::KDELibs4Support)
 
 install(TARGETS kcmdatetimehelper DESTINATION ${KAUTH_HELPER_INSTALL_DIR})
 kauth_install_helper_files(kcmdatetimehelper org.kde.kcontrol.kcmclock root)
diff --git a/kcms/kfontinst/dbus/CMakeLists.txt b/kcms/kfontinst/dbus/CMakeLists.txt
--- a/kcms/kfontinst/dbus/CMakeLists.txt
+++ b/kcms/kfontinst/dbus/CMakeLists.txt
@@ -13,11 +13,11 @@
 
 set_target_properties(fontinst_bin PROPERTIES OUTPUT_NAME fontinst)
 target_link_libraries(fontinst_bin 
-                      Qt5::DBus Qt5::Xml KF5::Auth ${FONTCONFIG_LIBRARIES} kfontinst)
+                      Qt5::DBus Qt5::Xml KF5::AuthCore ${FONTCONFIG_LIBRARIES} kfontinst)
 
 set_target_properties(fontinst_helper PROPERTIES OUTPUT_NAME fontinst_helper)
 target_link_libraries(fontinst_helper 
-                      Qt5::DBus Qt5::Xml KF5::Auth ${FONTCONFIG_LIBRARIES} kfontinst)
+                      Qt5::DBus Qt5::Xml KF5::AuthCore ${FONTCONFIG_LIBRARIES} kfontinst)
 
 install(TARGETS fontinst_bin DESTINATION ${KAUTH_HELPER_INSTALL_DIR} )
 install(TARGETS fontinst_helper DESTINATION ${KAUTH_HELPER_INSTALL_DIR} )