diff --git a/taskcat/_dataclasses.py b/taskcat/_dataclasses.py
index 7ff3745c..1e58a7bd 100644
--- a/taskcat/_dataclasses.py
+++ b/taskcat/_dataclasses.py
@@ -656,6 +656,7 @@ class ProjectConfig(JsonSchemaMixin, allow_additional_props=False):  # type: ign
     "s3_regional_buckets",
     "prehooks",
     "posthooks",
+    "role_name"
 ]