diff --git a/solutions/CMakeLists.txt b/solutions/CMakeLists.txt
index 2d8aedf..dcc7b78 100644
--- a/solutions/CMakeLists.txt
+++ b/solutions/CMakeLists.txt
@@ -1,6 +1,7 @@
 include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 
 add_subdirectory(chapter-01)
 add_subdirectory(chapter-02)
 add_subdirectory(chapter-03)
 add_subdirectory(chapter-04)
+add_subdirectory(chapter-05)