diff --git a/CMakeLists.txt b/CMakeLists.txt
index 33ad62d..cb37c1f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,9 @@
 cmake_minimum_required(VERSION 3.5)
+
+if(POLICY CMP0074)
+  cmake_policy(SET CMP0074 NEW) #3.12.0 `find_package()`` uses ``<PackageName>_ROOT`` variables.
+endif()
+
 #-----------------------------------------------------------------------------
 # Enable C++11
 #-----------------------------------------------------------------------------