diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,12 @@
 set(QT_MIN_VERSION "5.6.0")
 set(KF5_MIN_VERSION "5.25.0")
 
+if(KF5_VERSION VERSION_GREATER "5.55.0")
+    set(AUTHLIB KF5::AuthCore)
+else()
+    set(AUTHLIB KF5::Auth)
+endif()
+
 find_package(ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH} ${PROJECT_SOURCE_DIR}/cmake/)
 
diff --git a/core/CMakeLists.txt b/core/CMakeLists.txt
--- a/core/CMakeLists.txt
+++ b/core/CMakeLists.txt
@@ -74,7 +74,7 @@
   Qt5::Qml
   KF5::ConfigCore
   KF5::ConfigGui
-  KF5::Auth
+  ${AUTHLIB}
   KF5::IconThemes
   KF5::I18n
   KF5::Completion
diff --git a/helpers/CMakeLists.txt b/helpers/CMakeLists.txt
--- a/helpers/CMakeLists.txt
+++ b/helpers/CMakeLists.txt
@@ -11,7 +11,7 @@
 target_link_libraries(mounthelper
   smb4kcore
   Qt5::Core
-  KF5::Auth
+  ${AUTHLIB}
   KF5::CoreAddons
   KF5::I18n
   KF5::KIOCore)