diff --git a/CMakeLists.txt b/CMakeLists.txt
index ec8d407a8..80cf1855c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@
 # Set Project Properties
 ##################################
 
-cmake_minimum_required(VERSION 3.13.0)
+cmake_minimum_required(VERSION 3.20.0)
 
 #Project Name
 project(netCDF