diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0228d66..8a3262e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,8 +16,9 @@ add_executable(notification-daemon
   io/debug.cpp
   ical/Alarm.cpp
   ical/Event.cpp
-  ical/IcalObject.h
+  ical/IcalObject.cpp
   db/create.h
+  db/update.h
   db/Schema.cpp
   db/db.h
   db/migrations/Migration.cpp