diff --git a/ibge_pib.json b/ibge_pib.json
index 99813fe467419cf07290b54b2a364e3ac329cf1d..6690b10296e921304f414c7daf20db2a6c5267f8 100644
--- a/ibge_pib.json
+++ b/ibge_pib.json
@@ -12,6 +12,11 @@
             "keys": ["estado_id"],
             "reference_columns": ["id"],
             "reference_table": "estado"
+        },
+        {
+            "keys": ["regiao_id"],
+            "reference_columns": ["id"],
+            "reference_table": "regiao"
         }
     ]
 }