diff --git a/debezium-ddl-parser/src/main/antlr4/io/debezium/ddl/parser/mysql/generated/MySqlParser.g4 b/debezium-ddl-parser/src/main/antlr4/io/debezium/ddl/parser/mysql/generated/MySqlParser.g4
index d0a163680..0eaa9aa98 100644
--- a/debezium-ddl-parser/src/main/antlr4/io/debezium/ddl/parser/mysql/generated/MySqlParser.g4
+++ b/debezium-ddl-parser/src/main/antlr4/io/debezium/ddl/parser/mysql/generated/MySqlParser.g4
@@ -1616,12 +1616,15 @@ alterUser
         (WITH userResourceOption+)?
         (userPasswordOption | userLockOption)*
         (COMMENT STRING_LITERAL |  ATTRIBUTE STRING_LITERAL)?       #alterUserMysqlV80
+    | ALTER USER ifExists?
+      (userName | uid) DEFAULT ROLE roleOption                      #alterUserMysqlV80
     ;
 
 createUser
     : CREATE USER userAuthOption (',' userAuthOption)*              #createUserMysqlV56
     | CREATE USER ifNotExists?
         userAuthOption (',' userAuthOption)*
+        (DEFAULT ROLE roleOption)?
         (
           REQUIRE
           (tlsNone=NONE | tlsOption (AND? tlsOption)* )
diff --git a/debezium-ddl-parser/src/test/resources/mysql/examples/ddl_alter.sql b/debezium-ddl-parser/src/test/resources/mysql/examples/ddl_alter.sql
index bbc2597f0..77533fd9a 100644
--- a/debezium-ddl-parser/src/test/resources/mysql/examples/ddl_alter.sql
+++ b/debezium-ddl-parser/src/test/resources/mysql/examples/ddl_alter.sql
@@ -117,6 +117,7 @@ alter user 'user'@'%' identified with 'mysql_native_password' as '*2470C0C06DEE4
 alter user 'user'@'%' identified with 'mysql_native_password' as '*2470C0C06DEE42FD1618BB99005ADCA2EC9D1E19'
     require none password expire default account unlock password_lock_time unbounded;
 alter user 'user'@'%' identified by 'newpassword' retain current password;
+ALTER USER 'mattias.hultman' DEFAULT ROLE `prod-spain-mysql-read-only`@`%`;
 rename user user1@100.200.1.1 to user2@100.200.1.2;
 rename user user1@100.200.1.1 to user2@2001:0db8:85a3:0000:0000:8a2e:0370:7334;
 #end