diff --git a/Tests/Foundation/CMakeLists.txt b/Tests/Foundation/CMakeLists.txt
index 8defc2106b..4136b771f9 100644
--- a/Tests/Foundation/CMakeLists.txt
+++ b/Tests/Foundation/CMakeLists.txt
@@ -184,6 +184,8 @@ xctest_discover_tests(TestFoundation
                         ${CMAKE_BINARY_DIR}/TestFoundation.app/TestFoundation${CMAKE_EXECUTABLE_SUFFIX}
                       WORKING_DIRECTORY
                         ${CMAKE_BINARY_DIR}/TestFoundation.app
+                      DISCOVERY_TIMEOUT
+                        10
                       PROPERTIES
                         ENVIRONMENT
                           LD_LIBRARY_PATH=${CMAKE_BINARY_DIR}/TestFoundation.app:$<TARGET_LINKER_FILE_DIR:XCTest>:$<TARGET_LINKER_FILE_DIR:dispatch>:$<TARGET_LINKER_FILE_DIR:swiftDispatch>:$<TARGET_LINKER_FILE_DIR:BlocksRuntime>)