diff --git a/CMakeLists.txt b/CMakeLists.txt
index 85388f9..1c3d58d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,7 @@ if (NOT SDL3_FOUND)
 endif()
 
 # Archivos fuente
-file(GLOB SOURCE_FILES source/*.cpp)
+file(GLOB SOURCE_FILES source/*.cpp source/external/*.cpp)
 
 # Comprobar si se encontraron archivos fuente
 if(NOT SOURCE_FILES)
diff --git a/source/ball.h b/source/ball.h
index 3158e7c..498560a 100644
--- a/source/ball.h
+++ b/source/ball.h
@@ -3,7 +3,7 @@
 #include <SDL3/SDL_rect.h>  // for SDL_FRect
 #include <memory>           // for shared_ptr, unique_ptr
 #include "defines.h"        // for Color
-#include "sprite.h"         // for Sprite
+#include "external/sprite.h"         // for Sprite
 class Texture;
 
 class Ball
diff --git a/source/dbgtxt.h b/source/external/dbgtxt.h
similarity index 100%
rename from source/dbgtxt.h
rename to source/external/dbgtxt.h
diff --git a/source/sprite.cpp b/source/external/sprite.cpp
similarity index 100%
rename from source/sprite.cpp
rename to source/external/sprite.cpp
diff --git a/source/sprite.h b/source/external/sprite.h
similarity index 100%
rename from source/sprite.h
rename to source/external/sprite.h
diff --git a/source/stb_image.h b/source/external/stb_image.h
similarity index 100%
rename from source/stb_image.h
rename to source/external/stb_image.h
diff --git a/source/texture.cpp b/source/external/texture.cpp
similarity index 100%
rename from source/texture.cpp
rename to source/external/texture.cpp
diff --git a/source/texture.h b/source/external/texture.h
similarity index 100%
rename from source/texture.h
rename to source/external/texture.h
diff --git a/source/main.cpp b/source/main.cpp
index 2edbaf8..051f5cc 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -14,9 +14,9 @@
 #include <string>              // for operator+, string, to_string
 #include <vector>              // for vector
 #include "ball.h"              // for Ball
-#include "dbgtxt.h"            // for dbg_init, dbg_print
+#include "external/dbgtxt.h"            // for dbg_init, dbg_print
 #include "defines.h"           // for SCREEN_WIDTH, SCREEN_HEIGHT, WINDOW_SIZE
-#include "texture.h"           // for Texture
+#include "external/texture.h"           // for Texture
 
 // Variables globales
 SDL_Window *window = nullptr;