diff --git a/lib/charms/postgresql_k8s/v0/postgresql.py b/lib/charms/postgresql_k8s/v0/postgresql.py
index e548cf6b8d..574e157780 100644
--- a/lib/charms/postgresql_k8s/v0/postgresql.py
+++ b/lib/charms/postgresql_k8s/v0/postgresql.py
@@ -35,7 +35,7 @@
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 23
+LIBPATCH = 24
 
 INVALID_EXTRA_USER_ROLE_BLOCKING_MESSAGE = "invalid role(s) for extra user roles"
 
@@ -355,6 +355,13 @@ def _generate_database_privileges_statements(
                     sql.Identifier(user),
                 )
             )
+            statements.append(
+                """UPDATE pg_catalog.pg_largeobject_metadata
+SET lomowner = (SELECT oid FROM pg_roles WHERE rolname = '{}')
+WHERE lomowner = (SELECT oid FROM pg_roles WHERE rolname = '{}');""".format(
+                    user, self.user
+                )
+            )
         else:
             for schema in schemas:
                 schema = sql.Identifier(schema)
diff --git a/tests/unit/test_postgresql.py b/tests/unit/test_postgresql.py
index a0ea56f646..6ea3907d4d 100644
--- a/tests/unit/test_postgresql.py
+++ b/tests/unit/test_postgresql.py
@@ -200,7 +200,8 @@ def test_generate_database_privileges_statements(self):
                             ";' AS statement\nFROM pg_catalog.pg_views WHERE NOT schemaname IN ('pg_catalog', 'information_schema')) AS statements ORDER BY index) LOOP\n      EXECUTE format(r.statement);\n  END LOOP;\nEND; $$;"
                         ),
                     ]
-                )
+                ),
+                "UPDATE pg_catalog.pg_largeobject_metadata\nSET lomowner = (SELECT oid FROM pg_roles WHERE rolname = 'test_user')\nWHERE lomowner = (SELECT oid FROM pg_roles WHERE rolname = 'operator');",
             ],
         )
         # Test with multiple established relations.