diff --git a/CMakeLists.txt b/CMakeLists.txt
index abf22a3..6c47d2d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,4 +12,4 @@ include(CTest)
 enable_testing()
 
 add_subdirectory(app)
-add_subdirectory(lib)
+add_subdirectory(lib)
\ No newline at end of file
diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
index 4d7ac3e..5cbe765 100644
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -7,3 +7,6 @@ add_executable(${PROJECT_NAME} ${SOURCE})
 find_package(fmt CONFIG REQUIRED)
 find_package(doctest CONFIG REQUIRED)
 target_link_libraries(${PROJECT_NAME} PRIVATE fmt::fmt fmt::fmt-header-only doctest::doctest LIBNAME)
+
+include(doctest)
+doctest_discover_tests(${PROJECT_NAME})
\ No newline at end of file
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 9d24af5..f0eaad7 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -7,3 +7,4 @@ add_library(${PROJECT_NAME} ${SOURCE})
 find_package(fmt CONFIG REQUIRED)
 find_package(doctest CONFIG REQUIRED)
 target_link_libraries(${PROJECT_NAME} PRIVATE fmt::fmt fmt::fmt-header-only doctest::doctest)
+