diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9d3ac070..2ee580bc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,7 +20,7 @@
 # Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 # Boston, MA 02111-1307, USA.
 #
-cmake_minimum_required(VERSION 3.9 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.13 FATAL_ERROR)
 
 include(CheckCCompilerFlag)