diff --git a/CMakeLists.txt b/CMakeLists.txt
index c65c00a6..a5573ab3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,8 @@
 # TODO
 # - backend selection via command line, rather than simply detecting headers.
 
-cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.15 FATAL_ERROR)
+cmake_policy(SET CMP0091 NEW)
 project(cubeb
   VERSION 0.0.0)
 
@@ -12,6 +13,8 @@ option(BUILD_TOOLS "Build tools" ON)
 option(BUNDLE_SPEEX "Bundle the speex library" OFF)
 option(LAZY_LOAD_LIBS "Lazily load shared libraries" ON)
 option(USE_SANITIZERS "Use sanitizers" ON)
+# Set debugging for runtime libraries if requested.
+set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
 if(NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING