diff --git a/npc/CMakeLists.txt b/npc/CMakeLists.txt
index 3c5d300..97cdfd4 100644
--- a/npc/CMakeLists.txt
+++ b/npc/CMakeLists.txt
@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 3.20)
 
 project(npc)
+include(CTest)
 set (CMAKE_CXX_STANDARD 11)
 cmake_policy(SET CMP0144 NEW)