diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 project(plymouthkcm)
 
 cmake_minimum_required(VERSION 2.8.12)
-set(KF5_MIN_VERSION "5.54.0")
+set(KF5_MIN_VERSION "5.56.0")
 set(QT_MIN_VERSION "5.11.0")
 
 ################# Disallow in-source build #################
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -14,7 +14,7 @@
 
 target_link_libraries(kcm_plymouth
   KF5::CoreAddons
-  KF5::Auth
+  KF5::AuthCore
   KF5::I18n
   KF5::Declarative
   KF5::QuickAddons
@@ -43,7 +43,7 @@
 
 target_link_libraries(kplymouththemeinstaller
     KF5::I18n
-    KF5::Auth
+    KF5::AuthCore
     KF5::CoreAddons
     KF5::Archive
     KF5::ConfigCore)
@@ -53,7 +53,7 @@
 add_executable(plymouthhelper helper.cpp ${helper_mocs})
 target_link_libraries(plymouthhelper
     KF5::Archive
-    KF5::Auth
+    KF5::AuthCore
     KF5::ConfigCore
     KF5::I18n)
 install(TARGETS plymouthhelper DESTINATION ${KAUTH_HELPER_INSTALL_DIR})