diff --git a/CMakeLists.txt b/CMakeLists.txt
index 15c7cba..f22dc93 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,6 +49,7 @@ configure_file(
 
 # Find and include OpenGL
 find_package(OpenGL REQUIRED)
+find_package(raylib REQUIRED)
 
 # Add glad library
 add_library(glad "${PROJECT_SOURCE_DIR}/src/glad.c")
diff --git a/CMakePresets.json b/CMakePresets.json
index a5f0bcf..cc68836 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -22,10 +22,10 @@
         "hidden": true,
         "cacheVariables": {
           "CMAKE_C_EXTENSIONS": "OFF",
-          "CMAKE_C_STANDARD": "23",
+          "CMAKE_C_STANDARD": "20",
           "CMAKE_C_STANDARD_REQUIRED": "ON",
           "CMAKE_CXX_EXTENSIONS": "OFF",
-          "CMAKE_CXX_STANDARD": "23",
+          "CMAKE_CXX_STANDARD": "20",
           "CMAKE_CXX_STANDARD_REQUIRED": "ON"
         }
       },
diff --git a/cmake/3rd.cmake b/cmake/3rd.cmake
index 8952b82..436a587 100644
--- a/cmake/3rd.cmake
+++ b/cmake/3rd.cmake
@@ -73,12 +73,7 @@ endif ()
 CPMAddPackage(
     NAME raylib 
     GITHUB_REPOSITORY raysan5/raylib 
-    GIT_TAG 4.5.0 
-    DOWNLOAD_ONLY True)
-if (raylib_ADDED)
-    add_library(raylib INTERFACE IMPORTED)
-    target_include_directories(raylib INTERFACE ${raylib_SOURCE_DIR})
-endif ()
+    GIT_TAG 5.0 )
 
 # https://gitlab.com/libeigen/eigen.git
 CPMAddPackage(
@@ -212,12 +207,6 @@ else ()
     message(FATAL_ERROR "OpenGL not found. Please install OpenGL.")
 endif ()
 
-# Find raylib
-find_package(raylib REQUIRED)
-if (NOT raylib_FOUND)
-    message(FATAL_ERROR "raylib not found. Please install raylib.")
-endif ()
-
 # Find spdlog
 find_package(spdlog REQUIRED)
 if (NOT spdlog_FOUND)
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index f8d6429..b1a3e5b 100755
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -37,6 +37,7 @@ link_libraries(
     ${glog_LIBRARIES}
     SimpleRenderer
     glad 
+    raylib
     OpenGL::GL
 )
 
diff --git a/test/system_test/CMakeLists.txt b/test/system_test/CMakeLists.txt
index da351e3..b44d38d 100755
--- a/test/system_test/CMakeLists.txt
+++ b/test/system_test/CMakeLists.txt
@@ -18,6 +18,7 @@ target_include_directories(system_test PRIVATE
     ${CMAKE_SOURCE_DIR}/src/include
     ${CMAKE_CURRENT_SOURCE_DIR}
     ${raylib_INCLUDE_DIRS}
+    ${raylib_SOURCE_DIR}/src
 )
 
 # Compile options
diff --git a/test/system_test/Window.cpp b/test/system_test/Window.cpp
index 450481a..a5f70b8 100644
--- a/test/system_test/Window.cpp
+++ b/test/system_test/Window.cpp
@@ -1,5 +1,4 @@
 #include "Window.hpp"
-#include <raylib.h>
 #include <iostream>
 
 Window::Window(int width, int height) :