diff --git a/pom.xml b/pom.xml
index 44708d24b..4f8cef432 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>br.com.rjconsultores</groupId>
     <artifactId>Flyway</artifactId>    
-	<version>1.0.20</version> 
+	<version>1.0.21</version> 
     
 	<distributionManagement>
         <repository>
diff --git a/src/db/migration/V20230203_1957__AL1975.sql b/src/db/migration/V20230203_1957__AL1975.sql
index 51f92dbc6..fe8f280c0 100644
--- a/src/db/migration/V20230203_1957__AL1975.sql
+++ b/src/db/migration/V20230203_1957__AL1975.sql
@@ -1,3 +1,6 @@
+declare
+    column_exists exception;
+    pragma exception_init (column_exists , -01430);
 begin
     execute immediate 'ALTER TABLE ORGAO_CONCEDENTE ADD (TAXACONVENIENCIAPORC NUMBER(7,2))';
     exception when column_exists then null;
diff --git a/src/db/migration/V20230206_1423__AL1975.sql b/src/db/migration/V20230206_1423__AL1975.sql
index 97856fee5..b08eebb15 100644
--- a/src/db/migration/V20230206_1423__AL1975.sql
+++ b/src/db/migration/V20230206_1423__AL1975.sql
@@ -1,3 +1,6 @@
+declare
+    column_exists exception;
+    pragma exception_init (column_exists , -01430);
 begin
     execute immediate 'ALTER TABLE ORGAO_CONCEDENTE ADD (MENSAGEMRECIBOTXCONVENIENCIA VARCHAR2(80))' ;
     exception when column_exists then null;