diff --git a/CMakeLists.txt b/CMakeLists.txt
index f202b70ce1d9502e0afdcaee24a419291bd6948b..a5e639ed7fe451dbe7b92a3973526d985e5363d4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,8 @@
-cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.12 FATAL_ERROR)
+
+# CMP0074: find_package() uses <PackageName>_ROOT variables
+cmake_policy(SET CMP0074 NEW)
+
 PROJECT(ip6
   LANGUAGES CXX
   DESCRIPTION "A template dd4hep+acts beamline"