diff --git a/applets/taskmanager/CMakeLists.txt b/applets/taskmanager/CMakeLists.txt
--- a/applets/taskmanager/CMakeLists.txt
+++ b/applets/taskmanager/CMakeLists.txt
@@ -30,4 +30,7 @@
                       KF5::Service
                       KF5::WindowSystem)
 
+set_target_properties(taskmanagerplugin PROPERTIES
+                      VERSION ${PROJECT_VERSION})
+
 install(TARGETS taskmanagerplugin DESTINATION ${QML_INSTALL_DIR}/org/kde/plasma/private/taskmanager)