diff --git a/libcudacxx/test/libcudacxx/CMakeLists.txt b/libcudacxx/test/libcudacxx/CMakeLists.txt
index b699b4b89f..605c98e888 100644
--- a/libcudacxx/test/libcudacxx/CMakeLists.txt
+++ b/libcudacxx/test/libcudacxx/CMakeLists.txt
@@ -112,7 +112,8 @@ if (NOT LIBCUDACXX_TEST_WITH_NVRTC)
   add_custom_target(libcudacxx.test.lit.precompile
     DEPENDS libcudacxx.test.public_headers libcudacxx.test.internal_headers libcudacxx.test.public_headers_host_only
     COMMAND "${CMAKE_COMMAND}" -E env "LIBCUDACXX_SITE_CONFIG=${lit_site_cfg_path}"
-    "${libcudacxx_LIT}" -vv --no-progress-bar ${libcudacxx_LIT_FLAGS} "-Dexecutor=\"NoopExecutor()\"" "${libcudacxx_SOURCE_DIR}/test/libcudacxx"
+    "${libcudacxx_LIT}" -vv --no-progress-bar --time-tests ${libcudacxx_LIT_FLAGS}
+    "-Dexecutor=\"NoopExecutor()\"" "${libcudacxx_SOURCE_DIR}/test/libcudacxx"
   )
 
 endif()
@@ -125,12 +126,11 @@ set(libcudacxx_LIT_PARALLEL_LEVEL 8 CACHE STRING
 add_test(NAME libcudacxx.test.lit COMMAND
   "${CMAKE_COMMAND}" -E env
     "LIBCUDACXX_SITE_CONFIG=${lit_site_cfg_path}"
-  "${libcudacxx_LIT}" -vv --no-progress-bar ${libcudacxx_LIT_FLAGS}
-    -j "${libcudacxx_LIT_PARALLEL_LEVEL}"
-      "${libcudacxx_SOURCE_DIR}/test/libcudacxx"
+  "${libcudacxx_LIT}" -vv --no-progress-bar --time-tests ${libcudacxx_LIT_FLAGS}
+    -j "${libcudacxx_LIT_PARALLEL_LEVEL}" "${libcudacxx_SOURCE_DIR}/test/libcudacxx"
 )
 
 set_tests_properties(libcudacxx.test.lit PROPERTIES
-  TIMEOUT 4800
+  TIMEOUT 5000
   RUN_SERIAL TRUE
 )