diff --git a/source/application/api/use_case/ad/CMakeLists.txt b/source/application/api/use_case/ad/CMakeLists.txt
index 224816f..8cd703d 100644
--- a/source/application/api/use_case/ad/CMakeLists.txt
+++ b/source/application/api/use_case/ad/CMakeLists.txt
@@ -17,7 +17,7 @@
 #########################################################
 #             ANOMALY DETECTION API library             #
 #########################################################
-cmake_minimum_required(VERSION 3.15.6)
+cmake_minimum_required(VERSION 3.21.0)
 
 set(AD_API_TARGET ad_api)
 project(${AD_API_TARGET}