diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -55,9 +55,9 @@
 # create a Config.cmake and a ConfigVersion.cmake file and install them
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KF5Purpose")
 
-include(ECMPackageConfigHelpers)
+include(CMakePackageConfigHelpers)
 
-ecm_configure_package_config_file(
+configure_package_config_file(
   "${CMAKE_CURRENT_SOURCE_DIR}/KF5PurposeConfig.cmake.in"
   "${CMAKE_CURRENT_BINARY_DIR}/KF5PurposeConfig.cmake"
   INSTALL_DESTINATION  ${CMAKECONFIG_INSTALL_DIR}