--- a/kcms/krdb/CMakeLists.txt

+++ b/kcms/krdb/CMakeLists.txt

@@ -2,6 +2,9 @@

 add_definitions(-DTRANSLATION_DOMAIN=\"krdb\")

 add_library(krdb krdb.cpp)

+set_target_properties(krdb PROPERTIES

+                      VERSION ${PROJECT_VERSION}

+                      SOVERSION ${PROJECT_VERSION_MAJOR})

 target_link_libraries(krdb PRIVATE Qt::Widgets Qt::DBus KF5::GuiAddons KF5::I18n KF5::WindowSystem KF5::ConfigWidgets PW::KWorkspace X11::X11)

 if (QT_MAJOR_VERSION EQUAL "5")

     target_link_libraries(krdb PRIVATE Qt5::X11Extras)