diff --git a/CMakeLists.txt b/CMakeLists.txt
index 012bcb7ccd..3c5f1d8962 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,9 @@ project(allwpilib)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
 
 # Make timestamps of extracted files from FetchContent the time of extraction
-cmake_policy(SET CMP0135 NEW)
+if (POLICY CMP0135)
+    cmake_policy(SET CMP0135 NEW)
+endif()
 
 message(STATUS "Platform version: ${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION}")