diff --git a/bigquery_etl/stripe/tax.transactions.itemized.1.schema.json b/bigquery_etl/stripe/tax.transactions.itemized.1.schema.json
index 1987384cd0..1dd2c4cf37 100644
--- a/bigquery_etl/stripe/tax.transactions.itemized.1.schema.json
+++ b/bigquery_etl/stripe/tax.transactions.itemized.1.schema.json
@@ -133,7 +133,7 @@
   },
   {
     "name": "filing_exchange_rate",
-    "type": "NUMERIC"
+    "type": "BIGNUMERIC"
   },
   {
     "name": "filing_total",
diff --git a/sql/moz-fx-data-shared-prod/stripe_external/itemized_tax_transactions_v1/schema.yaml b/sql/moz-fx-data-shared-prod/stripe_external/itemized_tax_transactions_v1/schema.yaml
index 7414db7ad8..45041bfb92 100644
--- a/sql/moz-fx-data-shared-prod/stripe_external/itemized_tax_transactions_v1/schema.yaml
+++ b/sql/moz-fx-data-shared-prod/stripe_external/itemized_tax_transactions_v1/schema.yaml
@@ -100,7 +100,7 @@ fields:
   type: STRING
   mode: NULLABLE
 - name: filing_exchange_rate
-  type: NUMERIC
+  type: BIGNUMERIC
   mode: NULLABLE
 - name: filing_total
   type: NUMERIC