diff --git a/CMakeLists.txt b/CMakeLists.txt
index 995f28066..d01ca8a95 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.20)
 
 project(libosmscout VERSION 1.1.1 LANGUAGES C CXX)
 set(OSMSCOUT_LIBRARY_VERSION 1.1.1)