diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6eac10b2a..e76bd2b70 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -142,4 +142,9 @@ install(FILES
           ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_SHARED_LIBRARY_PREFIX}XCTest${CMAKE_SHARED_LIBRARY_SUFFIX}
         DESTINATION
           ${CMAKE_INSTALL_FULL_LIBDIR})
+# NOTE(compnerd) stage a compatibility copy in the swift resource dir
+install(FILES
+          ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_SHARED_LIBRARY_PREFIX}XCTest${CMAKE_SHARED_LIBRARY_SUFFIX}
+        DESTINATION
+          ${CMAKE_INSTALL_FULL_LIBDIR}/swift/${SWIFT_OS})