diff --git a/server/conf/evolutions/default/16.sql b/server/conf/evolutions/default/16.sql
new file mode 100644
index 0000000..08f8d15
--- /dev/null
+++ b/server/conf/evolutions/default/16.sql
@@ -0,0 +1,13 @@
+
+# --- !Ups
+
+ALTER TABLE transaction_outputs
+    DROP COLUMN tpos_owner_address,
+    DROP COLUMN tpos_merchant_address;
+
+
+# --- !Downs
+
+ALTER TABLE blocks
+    ADD COLUMN tpos_owner_address ADDRESS_TYPE NULL,
+    ADD COLUMN tpos_merchant_address ADDRESS_TYPE NULL;