diff --git a/CMakeLists.txt b/CMakeLists.txt
index 51cd864..83f4eee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -129,6 +129,7 @@ set(headers
     src/PythonQtQFileImporter.h
     src/PythonQtSignalReceiver.h
     src/PythonQtSlot.h
+    src/PythonQtSignal.h
     src/PythonQtStdDecorators.h
     src/PythonQtStdIn.h
     src/PythonQtStdOut.h