diff --git a/src/lib/charm/openstack/mysql_innodb_cluster.py b/src/lib/charm/openstack/mysql_innodb_cluster.py
index 04b7092..19e2eb9 100644
--- a/src/lib/charm/openstack/mysql_innodb_cluster.py
+++ b/src/lib/charm/openstack/mysql_innodb_cluster.py
@@ -1805,7 +1805,8 @@ class MySQLInnoDBClusterCharm(
 
         bucmd = ["/usr/bin/mysqldump", "-u", _user,
                  "--triggers", "--routines", "--events",
-                 "--ignore-table=mysql.event"]
+                 "--ignore-table=mysql.event",
+                 "--set-gtid-purged=COMMENTED"]
         if databases is not None:
             _filename = os.path.join(
                 backup_dir,
diff --git a/unit_tests/test_lib_charm_openstack_mysql_innodb_cluster.py b/unit_tests/test_lib_charm_openstack_mysql_innodb_cluster.py
index aad23bd..351333d 100644
--- a/unit_tests/test_lib_charm_openstack_mysql_innodb_cluster.py
+++ b/unit_tests/test_lib_charm_openstack_mysql_innodb_cluster.py
@@ -1502,6 +1502,7 @@ class TestMySQLInnoDBClusterCharm(test_utils.PatchHelper):
             mock.call(
                 ["/usr/bin/mysqldump", "-u", "root", "--triggers",
                  "--routines", "--events", "--ignore-table=mysql.event",
+                 "--set-gtid-purged=COMMENTED",
                  "--result-file", _filename, "--all-databases"]),
             mock.call(["/usr/bin/gzip", _filename])]
 
@@ -1517,6 +1518,7 @@ class TestMySQLInnoDBClusterCharm(test_utils.PatchHelper):
             mock.call(
                 ["/usr/bin/mysqldump", "-u", "root", "-ppass", "--triggers",
                  "--routines", "--events", "--ignore-table=mysql.event",
+                 "--set-gtid-purged=COMMENTED",
                  "--result-file", _filename, "--databases", _dbs]),
             mock.call(["/usr/bin/gzip", _filename])]
         self.assertEqual(midbc.mysqldump(_path, databases=_dbs),
@@ -1531,6 +1533,7 @@ class TestMySQLInnoDBClusterCharm(test_utils.PatchHelper):
             mock.call(
                 ["/usr/bin/mysqldump", "-u", "root", "-ppass", "--triggers",
                  "--routines", "--events", "--ignore-table=mysql.event",
+                 "--set-gtid-purged=COMMENTED",
                  "--result-file", _filename, "--databases"].extend(
                      _dbs.split(","))),
             mock.call(["/usr/bin/gzip", _filename])]