diff --git a/CMakeLists.txt b/CMakeLists.txt
index d44cba86..fd1e5a2e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,17 +5,20 @@ if(EXT_PLATFORM_STRING)
 endif()
 
 cmake_minimum_required(VERSION 3.0)
-project(Luau LANGUAGES CXX C)
 
 option(LUAU_BUILD_CLI "Build CLI" ON)
 option(LUAU_BUILD_TESTS "Build tests" ON)
 option(LUAU_BUILD_WEB "Build Web module" OFF)
 option(LUAU_WERROR "Warnings as errors" OFF)
+option(LUAU_STATIC_CRT "Link with the static CRT (/MT)" OFF)
 
-if(MSVC)
-    option(LUAU_STATIC_CRT "Link with the static CRT (/MT)" OFF)
+if(LUAU_STATIC_CRT)
+    cmake_minimum_required(VERSION 3.15)
+    cmake_policy(SET CMP0091 NEW)
+    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 endif()
 
+project(Luau LANGUAGES CXX C)
 add_library(Luau.Ast STATIC)
 add_library(Luau.Compiler STATIC)
 add_library(Luau.Analysis STATIC)
@@ -64,12 +67,6 @@ set(LUAU_OPTIONS)
 if(MSVC)
     list(APPEND LUAU_OPTIONS /D_CRT_SECURE_NO_WARNINGS) # We need to use the portable CRT functions.
     list(APPEND LUAU_OPTIONS /MP) # Distribute single project compilation across multiple cores
-
-    if(LUAU_STATIC_CRT)
-        set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
-        set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
-        set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
-    endif()
 else()
     list(APPEND LUAU_OPTIONS -Wall) # All warnings
 endif()