diff --git a/evm-exporter/migrations/block_info.sql b/evm-exporter/migrations/block_info.sql
index 877a7a1..24ba851 100644
--- a/evm-exporter/migrations/block_info.sql
+++ b/evm-exporter/migrations/block_info.sql
@@ -2,9 +2,9 @@ CREATE TABLE IF NOT EXISTS block_info (
     id BIGSERIAL PRIMARY KEY,
     block_hash CHARACTER VARYING(128) NOT NULL,
     block_height CHARACTER VARYING(128) NOT NULL,
-    block JSONB NOT NULL,
-    receipt JSONB NOT NULL,
-    statuses JSONB NOT NULL
+    block TEXT NOT NULL,
+    receipt TEXT NOT NULL,
+    statuses TEXT NOT NULL
 );
 
 CREATE INDEX IF NOT EXISTS block_info_block_hash_idx ON block_info(block_hash);
diff --git a/evm-exporter/migrations/pending_byte_code.sql b/evm-exporter/migrations/pending_byte_code.sql
index 864a317..95c54f7 100644
--- a/evm-exporter/migrations/pending_byte_code.sql
+++ b/evm-exporter/migrations/pending_byte_code.sql
@@ -1,6 +1,6 @@
 CREATE TABLE IF NOT EXISTS pending_byte_code (
     id BIGSERIAL PRIMARY KEY,
-    code JSONB NOT NULL,
+    code TEXT NOT NULL,
     address CHARACTER VARYING(64) NOT NULL
 );
 
diff --git a/evm-exporter/migrations/transactions.sql b/evm-exporter/migrations/transactions.sql
index b72d7f7..c9439bc 100644
--- a/evm-exporter/migrations/transactions.sql
+++ b/evm-exporter/migrations/transactions.sql
@@ -1,7 +1,7 @@
 CREATE TABLE IF NOT EXISTS transactions (
     id BIGSERIAL PRIMARY KEY,
     transaction_hash CHARACTER VARYING(128) NOT NULL,
-    transaction_index JSONB NOT NULL
+    transaction_index TEXT NOT NULL
 );
 
 CREATE INDEX IF NOT EXISTS transactions_transaction_hash_idx ON transactions(transaction_hash);