diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 2cb6e24e969..811886ce5be 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -41,3 +41,4 @@ list(APPEND STLASAN_LIT_COMMAND "${STL_LIT_OUTPUT}"
 
 add_test(NAME stl COMMAND ${Python_EXECUTABLE} ${STL_LIT_COMMAND} COMMAND_EXPAND_LISTS)
 add_test(NAME stlasan COMMAND ${Python_EXECUTABLE} ${STLASAN_LIT_COMMAND} COMMAND_EXPAND_LISTS)
+set_tests_properties(stl stlasan PROPERTIES RUN_SERIAL ON)