diff --git a/src/main/resources/META-INF/keycloak-multi-tenancy-changelog-20221217-2113.xml b/src/main/resources/META-INF/keycloak-multi-tenancy-changelog-20221217-2113.xml
index 7e4cac0..572e045 100644
--- a/src/main/resources/META-INF/keycloak-multi-tenancy-changelog-20221217-2113.xml
+++ b/src/main/resources/META-INF/keycloak-multi-tenancy-changelog-20221217-2113.xml
@@ -4,6 +4,7 @@
         xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.2.xsd">
 
     <changeSet id="20221217-2113-1" author="keycloak-multi-tenancy">
+        <validCheckSum>9:67461c052122d9a10facfc2967580aee</validCheckSum>
         <createTable tableName="TENANT">
             <column name="ID" type="VARCHAR(36)">
                 <constraints primaryKey="true" nullable="false"/>
@@ -11,7 +12,7 @@
             <column name="NAME" type="VARCHAR(255)">
                 <constraints nullable="false"/>
             </column>
-            <column name="REALM_ID" type="VARCHAR(255)">
+            <column name="REALM_ID" type="VARCHAR(36)">
                 <constraints nullable="false"/>
             </column>
         </createTable>
@@ -19,14 +20,15 @@
     </changeSet>
 
     <changeSet id="20221217-2113-2" author="keycloak-multi-tenancy">
+        <validCheckSum>9:1ba9d4ecfa48929e5198c3a9e1947dd7</validCheckSum>
         <createTable tableName="TENANT_MEMBERSHIP">
             <column name="ID" type="VARCHAR(36)">
                 <constraints primaryKey="true" nullable="false"/>
             </column>
-            <column name="TENANT_ID" type="VARCHAR(255)">
+            <column name="TENANT_ID" type="VARCHAR(36)">
                 <constraints nullable="false"/>
             </column>
-            <column name="USER_ID" type="VARCHAR(255)">
+            <column name="USER_ID" type="VARCHAR(36)">
                 <constraints nullable="false"/>
             </column>
         </createTable>
@@ -76,4 +78,10 @@
         <addForeignKeyConstraint baseColumnNames="TENANT_INVITATION_ID" baseTableName="TENANT_INVITATION_ROLE"
                 constraintName="FK_TENANT_INVITATION_ROLE_TENANT_INVITATION_ID" referencedColumnNames="ID" referencedTableName="TENANT_INVITATION"/>
     </changeSet>
+
+    <changeSet id="20221217-2113-4" author="keycloak-multi-tenancy">
+        <modifyDataType tableName="TENANT" columnName="REALM_ID" newDataType="VARCHAR(36)"/>
+        <modifyDataType tableName="TENANT_MEMBERSHIP" columnName="TENANT_ID" newDataType="VARCHAR(36)"/>
+        <modifyDataType tableName="TENANT_MEMBERSHIP" columnName="USER_ID" newDataType="VARCHAR(36)"/>
+    </changeSet>
 </databaseChangeLog>