diff --git a/build/db.sql b/build/db.sql
index 5586943..cf6be51 100644
--- a/build/db.sql
+++ b/build/db.sql
@@ -76,6 +76,7 @@ CREATE TABLE core.transactions
   id                                                uuid PRIMARY KEY DEFAULT(gen_random_uuid()),
   transaction_hash                                  text NOT NULL,
   address                                           address /* NOT NULL */,
+  contract                                          address /* NOT NULL */,
   block_timestamp                                   integer NOT NULL,
   block_number                                      text NOT NULL,
   transaction_sender                                address,
diff --git a/sql/rds.sql b/sql/rds.sql
index c4a290b..6d64494 100644
--- a/sql/rds.sql
+++ b/sql/rds.sql
@@ -76,6 +76,7 @@ CREATE TABLE core.transactions
   id                                                uuid PRIMARY KEY DEFAULT(gen_random_uuid()),
   transaction_hash                                  text NOT NULL,
   address                                           address /* NOT NULL */,
+  contract                                          address /* NOT NULL */,
   block_timestamp                                   integer NOT NULL,
   block_number                                      text NOT NULL,
   transaction_sender                                address,