diff --git a/migrations/versions/0330_broadcast_invite_email.py b/migrations/versions/0330_broadcast_invite_email.py
index 2127f8832..2ae8dd910 100644
--- a/migrations/versions/0330_broadcast_invite_email.py
+++ b/migrations/versions/0330_broadcast_invite_email.py
@@ -10,6 +10,7 @@ Create Date: 2020-09-15 14:17:01.963181
 from datetime import datetime
 
 from alembic import op
+from sqlalchemy import text
 
 revision = '0330_broadcast_invite_email'
 down_revision = '0329_purge_broadcast_data'
@@ -37,38 +38,41 @@ https://www.gov.uk/notify
 
 
 def upgrade():
-    insert_query = """
-      INSERT INTO {}
+    insert_query_t = """
+      INSERT INTO templates
       (id, name, template_type, created_at, content, archived, service_id,
       subject, created_by_id, version, process_type, hidden)
       VALUES
-      ('{}', '{}', 'email', '{}', '{}', False, '{}', '{}', '{}', 1, 'normal', False)
+      (:template_id, :template_name, 'email', :time_now, :content, False, :service_id, :subject, :user_id, 1, 'normal', False)
     """
 
-    op.execute(insert_query.format(
-        'templates_history',
-        template_id,
-        broadcast_invitation_template_name,
-        datetime.utcnow(),
-        broadcast_invitation_content,
-        service_id,
-        broadcast_invitation_subject,
-        user_id
-    ))
+    insert_query_th = """
+          INSERT INTO templates_history
+          (id, name, template_type, created_at, content, archived, service_id,
+          subject, created_by_id, version, process_type, hidden)
+          VALUES
+      (:template_id, :template_name, 'email', :time_now, :content, False, :service_id, :subject, :user_id, 1, 'normal', False)
+        """
+    conn = op.get_bind()
 
-    op.execute(insert_query.format(
-        'templates',
-        template_id,
-        broadcast_invitation_template_name,
-        datetime.utcnow(),
-        broadcast_invitation_content,
-        service_id,
-        broadcast_invitation_subject,
-        user_id
-    ))
+    input_params = {
+        "template_id": template_id,
+        "template_name": broadcast_invitation_template_name,
+        "time_now": datetime.utcnow(),
+        "content": broadcast_invitation_content,
+        "service_id": service_id,
+        "subject": broadcast_invitation_subject,
+        "user_id": user_id
+
+    }
+    conn.execute(text(insert_query_t), input_params)
+    conn.execute(text(insert_query_th), input_params)
 
 
 def downgrade():
-    op.get_bind()
-    op.execute("delete from templates where id = '{}'".format(template_id))
-    op.execute("delete from templates_history where id = '{}'".format(template_id))
+    conn = op.get_bind()
+    input_params = {
+        "template_id": template_id
+    }
+    conn.execute(text("delete from templates where id = :template_id"), input_params)
+    conn.execute(text("delete from templates_history where id = :template_id"), input_params)
diff --git a/migrations/versions/0383_update_default_templates.py b/migrations/versions/0383_update_default_templates.py
index 3313abfa4..3b9edff6d 100644
--- a/migrations/versions/0383_update_default_templates.py
+++ b/migrations/versions/0383_update_default_templates.py
@@ -8,6 +8,7 @@ Create Date: 2023-01-10 11:42:25.633265
 import json
 from alembic import op
 import sqlalchemy as sa
+from sqlalchemy import text
 from sqlalchemy.dialects import postgresql
 from flask import current_app
 
@@ -16,38 +17,33 @@ down_revision = '0382_remove_old_providers'
 
 
 def upgrade():
-    update = """
-        UPDATE {} SET name = '{}', template_type = '{}', content = '{}', subject = '{}'
-        WHERE id = '{}'
+    update_t = """
+        UPDATE templates SET name = :name, template_type = :type, content = :content, subject = :subject
+        WHERE id = :id
     """
 
+    update_th = """
+            UPDATE templates_history SET name = :name, template_type = :type, content = :content, subject = :subject
+            WHERE id = :id
+        """
+    conn = op.get_bind()
     with open(current_app.config['CONFIG_FILES'] + '/templates.json') as f:
         data = json.load(f)
         for d in data:
-            for table_name in 'templates', 'templates_history':
-                op.execute(
-                    update.format(
-                        table_name,
-                        d['name'],
-                        d['type'],
-                        '\n'.join(d['content']),
-                        d.get('subject'),
-                        d['id']
-                    )
-                )
+            input_params = {
+                'name': d['name'],
+                'type': d['type'],
+                'content': '\n'.join(d['content']),
+                'subject': d.get('subject'),
+                'id': d['id']
+            }
+            conn.execute(
+                text(update_t), input_params
+            )
+            conn.execute(
+                text(update_th), input_params
+            )
 
-            # op.execute(
-            #     """
-            #     INSERT INTO template_redacted
-            #     (
-            #         template_id,
-            #         redact_personalisation,
-            #         updated_at,
-            #         updated_by_id
-            #     ) VALUES ( '{}', false, current_timestamp, '{}' )
-            #     """.format(d['id'], current_app.config['NOTIFY_USER_ID'])
-            # )
-   
 
 def downgrade():
     # with associated code changes, edits to templates should no longer be made via migration.