diff --git a/CMakeLists.txt b/CMakeLists.txt
index e47ce53..6dadbf9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 2.6)
+cmake_minimum_required (VERSION 3.5)
 
 project(eglut LANGUAGES C)
 
@@ -25,4 +25,4 @@ target_link_libraries(eglut PUBLIC ${PNG_LIBRARIES} ${EGL_LIBRARIES})
 if (EGLUT_USE_X11)
     target_link_libraries(eglut PUBLIC ${X11_X11_LIB})
     target_include_directories(eglut PRIVATE ${X11_INCLUDE_DIR})
-endif()
\ No newline at end of file
+endif()