diff --git a/contributing/samples/migrate_session_db/README.md b/contributing/samples/migrate_session_db/README.md
index 6f1fc1aa11..784586bf5a 100644
--- a/contributing/samples/migrate_session_db/README.md
+++ b/contributing/samples/migrate_session_db/README.md
@@ -27,10 +27,13 @@ ADK provides a migration script to update the database schema. Run the following
 
 ```bash
 # Clean up the previous run before executing the migration
-cp dnd_sessions.db sessions.db
+cp dnd_sessions.db sessions.db.old
 
 # Download and run the migration script
-curl -fsSL https://raw.githubusercontent.com/google/adk-python/main/scripts/db_migration.sh | sh -s -- "sqlite:///%(here)s/sessions.db" "google.adk.sessions.database_session_service"
+curl -fsSL https://raw.githubusercontent.com/google/adk-python/main/scripts/db_migration.sh | sh -s -- "sqlite:///%(here)s/sessions.db.old" "google.adk.sessions.database_session_service"
+
+python -m google.adk.sessions.migrate_from_sqlalchemy_sqlite --source_db_path ./sessions.db.old --dest_db_path ./sessions.db
+rm sessions.db.old
 ```
 
 This script uses `alembic` to compare the existing schema against the current model definition and automatically generates and applies the necessary migrations.
@@ -52,4 +55,4 @@ You should see output indicating that the old session was successfully loaded.
 
 ## Limitations
 
-The migration script is designed to add new columns that have been introduced in newer ADK versions. It does not handle more complex schema changes, such as modifying a column's data type (e.g., from `int` to `string`) or altering the internal structure of stored data.
\ No newline at end of file
+The migration script is designed to add new columns that have been introduced in newer ADK versions. It does not handle more complex schema changes, such as modifying a column's data type (e.g., from `int` to `string`) or altering the internal structure of stored data.
diff --git a/contributing/samples/migrate_session_db/main.py b/contributing/samples/migrate_session_db/main.py
index 10d2da0af5..2f727acb4e 100644
--- a/contributing/samples/migrate_session_db/main.py
+++ b/contributing/samples/migrate_session_db/main.py
@@ -21,8 +21,8 @@
 from google.adk.artifacts.in_memory_artifact_service import InMemoryArtifactService
 from google.adk.cli.utils import logs
 from google.adk.runners import Runner
-from google.adk.sessions.database_session_service import DatabaseSessionService
 from google.adk.sessions.session import Session
+from google.adk.sessions.sqlite_session_service import SqliteSessionService
 from google.genai import types
 
 load_dotenv(override=True)
@@ -32,7 +32,7 @@
 async def main():
   app_name = 'migrate_session_db_app'
   user_id_1 = 'user1'
-  session_service = DatabaseSessionService('sqlite:///./sessions.db')
+  session_service = SqliteSessionService('./sessions.db')
   artifact_service = InMemoryArtifactService()
   runner = Runner(
       app_name=app_name,