--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,9 +15,9 @@
 #
 # Read README.cmake before using this.
 
+CMAKE_MINIMUM_REQUIRED(VERSION 3.1)
 PROJECT(APR C)
 
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
 
 OPTION(APR_INSTALL_PRIVATE_H  "Install selected private .h files (for httpd)"  OFF)
 OPTION(APR_HAVE_IPV6        "IPv6 support"                 ON)