diff --git a/CMakeLists.txt b/CMakeLists.txt
index 15a38e0..3391b43 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -79,6 +79,8 @@ set(MAIN_HEADERS
 	src/sunshine.h
 	src/lightmap.h
 	src/define.h
+	src/signals/signal.h
+	src/signals/signalconnection.h
 )
 
 set(MAIN_SOURCE