diff --git a/CMakeLists.txt b/CMakeLists.txt
index d730321..1b6f3c5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 project(advanced_C_standard_library C)
 set_property(GLOBAL PROPERTY C_STANDARD)
 cmake_minimum_required(VERSION 3.9)
-include_directories(src)
+include_directories("include")
 file(GLOB SOURCES "src/*.c")
 add_executable(test.out ${SOURCES})
 find_program(CCACHE_PROGRAM ccache)
diff --git a/src/array.h b/include/array.h
similarity index 100%
rename from src/array.h
rename to include/array.h
diff --git a/src/file.h b/include/file.h
similarity index 100%
rename from src/file.h
rename to include/file.h