diff --git a/lab5/CMakeLists.txt b/lab5/CMakeLists.txt
index 483fd25..6406c44 100644
--- a/lab5/CMakeLists.txt
+++ b/lab5/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required (VERSION 3.14)
 
 set(CMAKE_VERBOSE_MAKEFILE on)
 
-set(CMAKE_BUILD_TYPE "Debug")  # "Release" or "Debug"
+set(CMAKE_BUILD_TYPE "Release")  # "Release" or "Debug"
 set(CHCORE_PLAT "raspi3")
 set(CHCORE_ARCH "aarch64")