diff --git a/CMakeLists.txt b/CMakeLists.txt
index c0a6f91cd4e0ecd28c76e3d1d1a5652c79ce9820..38703b8bc8216206de80f273a2ccf9adf07e504c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,6 +6,8 @@ project(CSG-EB
   LANGUAGES    CXX
   )
 
+include(CTest)
+
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)