diff --git a/models/audit.sql b/models/audit.sql
index 83ac571..9154d06 100644
--- a/models/audit.sql
+++ b/models/audit.sql
@@ -3,7 +3,7 @@
 select
 '2016-01-01 00:00:00'::timestamp as "run_started_at",
 'model_name'::varchar as "model",
-'id'::varchar(32) as "invocation_id",
+'id'::varchar(64) as "invocation_id",
 '2016-01-01 00:00:00'::timestamp as "timestamp",
 'status'::varchar as status
 limit 0