diff --git a/django/db/backends/oracle/creation.py b/django/db/backends/oracle/creation.py
index 5b24736cc4..46d38d92b2 100644
--- a/django/db/backends/oracle/creation.py
+++ b/django/db/backends/oracle/creation.py
@@ -216,11 +216,11 @@ class DatabaseCreation(BaseDatabaseCreation):
         statements = [
             """CREATE TABLESPACE %(tblspace)s
                DATAFILE '%(tblspace)s.dbf' SIZE 20M
-               REUSE AUTOEXTEND ON NEXT 10M MAXSIZE 200M
+               REUSE AUTOEXTEND ON NEXT 10M MAXSIZE 300M
             """,
             """CREATE TEMPORARY TABLESPACE %(tblspace_temp)s
                TEMPFILE '%(tblspace_temp)s.dbf' SIZE 20M
-               REUSE AUTOEXTEND ON NEXT 10M MAXSIZE 100M
+               REUSE AUTOEXTEND ON NEXT 10M MAXSIZE 150M
             """,
         ]
         self._execute_statements(cursor, statements, parameters, verbosity)