diff --git a/rosidl_generator_tests/CMakeLists.txt b/rosidl_generator_tests/CMakeLists.txt
index f36054b70..b2b5d13fd 100644
--- a/rosidl_generator_tests/CMakeLists.txt
+++ b/rosidl_generator_tests/CMakeLists.txt
@@ -136,3 +136,8 @@ if(BUILD_TESTING)
 endif()
 
 ament_package()
+
+if(TEST cpplint)
+  # must set the property after ament_package()
+  set_tests_properties(cpplint PROPERTIES TIMEOUT 300)
+endif()