diff --git a/docs/en/01_Tutorials/index.md b/docs/en/01_Tutorials/index.md
index 525dd3bcd..88d0a11e5 100644
--- a/docs/en/01_Tutorials/index.md
+++ b/docs/en/01_Tutorials/index.md
@@ -10,24 +10,27 @@ These tutorials are deprecated, and have been replaced by the new [Lessons](http
 These include video screencasts, written tutorials and code examples to get you started working with SilverStripe websites.
 
 * [How to set up a local development environment in SilverStripe](https://vimeo.com/108861537)
-* [Lesson 1: Creating your first theme](http://www.silverstripe.org/learn/lessons/creating-your-first-theme)
-* [Lesson 2: Migrating static templates into your theme](http://www.silverstripe.org/learn/lessons/migrating-static-templates-into-your-theme)
-* [Lesson 3: Adding dynamic content](http://www.silverstripe.org/learn/lessons/adding-dynamic-content)
-* [Lesson 4: Working with multiple templates](http://www.silverstripe.org/learn/lessons/working-with-multiple-templates)
-* [Lesson 5: The holder/page pattern](http://www.silverstripe.org/learn/lessons/the-holderpage-pattern)
-* [Lesson 6: Adding Custom Fields to a Page](http://www.silverstripe.org/learn/lessons/adding-custom-fields-to-a-page)
-* [Lesson 7: Working with Files and Images](http://www.silverstripe.org/learn/lessons/working-with-files-and-images)
-* [Lesson 8: Introduction to the ORM](http://www.silverstripe.org/learn/lessons/introduction-to-the-orm)
-* [Lesson 9: Data Relationships - $has_many](http://www.silverstripe.org/learn/lessons/working-with-data-relationships-has-many)
-* [Lesson 10: Introduction to the ORM](http://www.silverstripe.org/learn/lessons/working-with-data-relationships-many-many)
-* [Lesson 11: Introduction to frontend forms](http://www.silverstripe.org/learn/lessons/introduction-to-frontend-forms)
-* [Lesson 12: Data Extensions and SiteConfig](http://www.silverstripe.org/learn/lessons/data-extensions-and-siteconfig)
-* [Lesson 13: Introduction to ModelAdmin](http://www.silverstripe.org/learn/lessons/introduction-to-modeladmin)
-* [Lesson 14: Controller Actions/DataObjects as Pages](http://www.silverstripe.org/learn/lessons/controller-actions-dataobjects-as-pages)
-* [Lesson 15: Building a Search Form](http://www.silverstripe.org/learn/lessons/building-a-search-form)
-* [Lesson 16: Lists and Pagination](http://www.silverstripe.org/learn/lessons/lists-and-pagination)
-* [Lesson 17: Ajax Behaviour and Viewable Data](http://www.silverstripe.org/learn/lessons/ajax-behaviour-and-viewabledata)
-* [Lesson 18: Dealing with Arbitrary Template Data](http://www.silverstripe.org/learn/lessons/dealing-with-arbitrary-template-data)
+* [Lesson 1: Creating your first project](https://www.silverstripe.org/learn/lessons/v4/creating-your-first-project)
+* [Lesson 2: Migrating static templates into your theme](https://www.silverstripe.org/learn/lessons/v4/migrating-static-templates-into-your-theme-1)
+* [Lesson 3: Adding dynamic content](https://www.silverstripe.org/learn/lessons/v4/adding-dynamic-content-1)
+* [Lesson 4: Working with multiple templates](https://www.silverstripe.org/learn/lessons/v4/working-with-multiple-templates-1)
+* [Lesson 5: The holder/page pattern](https://www.silverstripe.org/learn/lessons/v4/the-holderpage-pattern-1)
+* [Lesson 6: Adding Custom Fields to a Page](https://www.silverstripe.org/learn/lessons/v4/adding-custom-fields-to-a-page-1)
+* [Lesson 7: Working with Files and Images](https://www.silverstripe.org/learn/lessons/v4/working-with-files-and-images-1)
+* [Lesson 8: Introduction to the ORM](https://www.silverstripe.org/learn/lessons/v4/introduction-to-the-orm-1)
+* [Lesson 9: Data Relationships - $has_many](https://www.silverstripe.org/learn/lessons/v4/working-with-data-relationships-has-many-1)
+* [Lesson 10: Data Relationships - $many_many](https://www.silverstripe.org/learn/lessons/v4/working-with-data-relationships-many-many-1)
+* [Lesson 11: Introduction to frontend forms](https://www.silverstripe.org/learn/lessons/v4/introduction-to-frontend-forms-1)
+* [Lesson 12: Data Extensions and SiteConfig](https://www.silverstripe.org/learn/lessons/v4/data-extensions-and-siteconfig-1)
+* [Lesson 13: Introduction to ModelAdmin](https://www.silverstripe.org/learn/lessons/v4/introduction-to-modeladmin-1)
+* [Lesson 14: Controller Actions/DataObjects as Pages](https://www.silverstripe.org/learn/lessons/v4/controller-actions-dataobjects-as-pages-1)
+* [Lesson 15: Building a Search Form](https://www.silverstripe.org/learn/lessons/v4/building-a-search-form-1)
+* [Lesson 16: Lists and Pagination](https://www.silverstripe.org/learn/lessons/v4/lists-and-pagination-1)
+* [Lesson 17: Ajax Behaviour and Viewable Data](https://www.silverstripe.org/learn/lessons/v4/ajax-behaviour-and-viewabledata-1)
+* [Lesson 18: Dealing with Arbitrary Template Data](https://www.silverstripe.org/learn/lessons/v4/dealing-with-arbitrary-template-data-1)
+* [Lesson 19: Creating Filtered Views](https://www.silverstripe.org/learn/lessons/v4/creating-filtered-views-1)
+* [Lesson 20: Beyond the ORM: Building Custom SQL](https://www.silverstripe.org/learn/lessons/v4/beyond-the-orm-building-custom-sql-1)
+* [Lesson 21: Advanced Environment Configuration](https://www.silverstripe.org/learn/lessons/v4/advanced-environment-configuration-1)
 
 ## Help: If you get stuck