diff --git a/tools/gen-zam/CMakeLists.txt b/tools/gen-zam/CMakeLists.txt
index 2cc724fc91..d801fda8f3 100644
--- a/tools/gen-zam/CMakeLists.txt
+++ b/tools/gen-zam/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.15 FATAL_ERROR)
 project(Gen-ZAM C CXX)
 
 include(cmake/CommonCMakeConfig.cmake)