diff --git a/CMakeLists.txt b/CMakeLists.txt
index a2198ba..341f845 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,11 @@
 
 cmake_minimum_required(VERSION 2.8.12)
 
+if (POLICY CMP0048)
+  # cmake warns if loaded from a min-3.0-required parent dir, so silence the warning:
+  cmake_policy(SET CMP0048 NEW)
+endif()
+
 project(pybind11)
 
 # Check if pybind11 is being used directly or via add_subdirectory