diff --git a/CMakeLists.txt b/CMakeLists.txt
index 216bb098c81608a19999f7f975b8a99cb16a4aa5..7eb52c6d7c60a351adabb860dab45008f8ba4180 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.4.3)
+cmake_minimum_required (VERSION 3.9)
 
 project (
   corsika