diff --git a/CMakeLists.txt b/CMakeLists.txt
index 312aba7..b71ad3f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 PROJECT ( example )
 
-cmake_minimum_required( VERSION 3.22 )
+cmake_minimum_required( VERSION 3.16 )
 
 FIND_PACKAGE ( PkgConfig REQUIRED )
 PKG_CHECK_MODULES( GTK REQUIRED gtkmm-4.0)