diff --git a/CMakeLists.txt b/CMakeLists.txt
index 89f93db0..ef20e341 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,5 @@
-cmake_minimum_required(VERSION 3.20)                        
+set(cmake_minimum_version 3.20)
+cmake_minimum_required(VERSION ${cmake_minimum_version})
 cmake_policy(SET CMP0074 NEW)
 
 project(Xcompact3d LANGUAGES Fortran)
diff --git a/cmake/decomp2d/downloadBuild2decomp.cmake.in b/cmake/decomp2d/downloadBuild2decomp.cmake.in
index 8b727f37..cd42b887 100644
--- a/cmake/decomp2d/downloadBuild2decomp.cmake.in
+++ b/cmake/decomp2d/downloadBuild2decomp.cmake.in
@@ -1,6 +1,6 @@
 # downloadBuild2decomp.cmake.in
 #
-cmake_minimum_required(VERSION 3.0.2)
+cmake_minimum_required(VERSION @cmake_minimum_version@)
 
 project(downloadBuild2decomp NONE)