diff --git a/cmake-policy.patch b/cmake-policy.patch
index de6e07b..187a385 100644
--- a/cmake-policy.patch
+++ b/cmake-policy.patch
@@ -7,7 +7,7 @@ index 597a7de..38bd7f4 100644
  set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/modules")
  
 +if (POLICY CMP0021)
-+  cmake_policy(SET CMP0021 OLD)
++  cmake_policy(SET CMP0021 WARN)
 +endif (POLICY CMP0021)
 +
  # Build options