diff --git a/CMakeLists.txt b/CMakeLists.txt
index d494ae3a..e745ebfc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,6 @@
 cmake_minimum_required(VERSION 3.8)
 cmake_policy(SET CMP0015 NEW)
+cmake_policy(SET CMP0135 NEW)
 project(libloot)
 include(ExternalProject)