diff --git a/CMakeLists.txt b/CMakeLists.txt
index c045f08..20887c2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,6 +10,6 @@ project(HelloWorld CXX)
 
 find_package(fmt CONFIG REQUIRED)
 
-add_executable(HelloWorld main.cpp)
+add_executable(HelloWorld src/main.cpp)
 
 target_link_libraries(HelloWorld PRIVATE fmt::fmt)
diff --git a/main.cpp b/src/main.cpp
similarity index 100%
rename from main.cpp
rename to src/main.cpp