diff --git a/cmake/modules/DarwinSDKs.cmake b/cmake/modules/DarwinSDKs.cmake
index f3cd17e60b2..113e0eca9bf 100644
--- a/cmake/modules/DarwinSDKs.cmake
+++ b/cmake/modules/DarwinSDKs.cmake
@@ -22,6 +22,8 @@ is_sdk_requested(FREESTANDING swift_build_freestanding)
 if(swift_build_freestanding AND (SWIFT_FREESTANDING_FLAVOR STREQUAL "apple"))
   set(SWIFT_FREESTANDING_SDK "" CACHE STRING
       "Which SDK to use when building the FREESTANDING stdlib")
+  set(SWIFT_FREESTANDING_DEPLOYMENT_VERSION "" CACHE STRING
+      "The deployment version to use when building the FREESTANDING stdlib")
   set(SWIFT_FREESTANDING_TRIPLE_NAME "" CACHE STRING
       "Which triple name (e.g. 'none-macho') to use when building the FREESTANDING stdlib")
   set(SWIFT_FREESTANDING_MODULE_NAME "" CACHE STRING
@@ -31,7 +33,7 @@ if(swift_build_freestanding AND (SWIFT_FREESTANDING_FLAVOR STREQUAL "apple"))
   set(SWIFT_FREESTANDING_ARCHS "" CACHE STRING
       "Which architectures to build when building the FREESTANDING stdlib")
   configure_sdk_darwin(
-      FREESTANDING "FREESTANDING" ""
+      FREESTANDING "FREESTANDING" "${SWIFT_FREESTANDING_DEPLOYMENT_VERSION}"
       "${SWIFT_FREESTANDING_SDK}"
       "${SWIFT_FREESTANDING_TRIPLE_NAME}" "${SWIFT_FREESTANDING_MODULE_NAME}"
       "${SWIFT_FREESTANDING_AVAILABILITY_NAME}" "${SWIFT_FREESTANDING_ARCHS}")
diff --git a/utils/swift_build_support/swift_build_support/products/minimalstdlib.py b/utils/swift_build_support/swift_build_support/products/minimalstdlib.py
index 03876e52c20..276ed802010 100644
--- a/utils/swift_build_support/swift_build_support/products/minimalstdlib.py
+++ b/utils/swift_build_support/swift_build_support/products/minimalstdlib.py
@@ -67,6 +67,8 @@ class MinimalStdlib(cmake_product.CMakeProduct):
         self.cmake_options.define(
             'SWIFT_FREESTANDING_MODULE_NAME:STRING', 'macos')
         self.cmake_options.define('SWIFT_FREESTANDING_SDK:STRING', 'macosx')
+        self.cmake_options.define('SWIFT_FREESTANDING_DEPLOYMENT_VERSION:STRING',
+                                  '11.0')
         self.cmake_options.define(
             'SWIFT_FREESTANDING_TRIPLE_NAME:STRING', 'macosx11.0')
         self.cmake_options.define(