diff --git a/CMakeLists.txt b/CMakeLists.txt
index c53101c..956f6c7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,8 +17,11 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 
-include(CTest)
-enable_testing()
-
 add_subdirectory(src)
-add_subdirectory(test)
+
+if(CMAKE_BUILD_TYPE MATCHES Debug)
+  include(CTest)
+  enable_testing()
+  add_subdirectory(test)
+endif()
+