diff --git a/CMakeLists.txt b/CMakeLists.txt
index ebf94fae..8e08dbb6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,13 +18,15 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 
-set(KF_MIN_VERSION "5.240.0")
+set(KF_MIN_VERSION "6.0.0")
 set(QT_MIN_VERSION "6.4.0")
 
 find_package(ECM ${KF_MIN_VERSION} REQUIRED NO_MODULE)
 
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
 
+set(KDE_COMPILERSETTINGS_LEVEL 6.0)
+
 include(FeatureSummary)
 include(ECMSetupVersion)
 include(ECMQtDeclareLoggingCategory)