diff --git a/book/_config.yml b/book/_config.yml
index 419220b..c65e61b 100644
--- a/book/_config.yml
+++ b/book/_config.yml
@@ -3,7 +3,7 @@ title: Template documentation jupyter book
 author: University of Leeds Research Computing Team
 logo: ./assets/img/logo/logo.png
 email: ask-rc@leeds.ac.uk
-copyright: "2020"
+copyright: "2023"
 
 # execute settings
 execute:
@@ -19,12 +19,6 @@ html:
   use_issues_button: true
   use_edit_page_button: true
   baseurl                   : "https://arctraining.github.io/template-jb-docs"  # The base URL where your book will be hosted. Used for creating image previews and social links. e.g.: https://mypage.com/mybook/
-  navbar_footer_text        :
-    'Visit the <a href="https://arcleeds.github.io/">Research Computing Home Site</a>
-    <div>
-    This book is powered by <a href="https://jupyterbook.org">Jupyter Book</a>
-    </div>'  # Will be displayed underneath the left navbar.
-
 
 # Launch button settings
 launch_buttons:
diff --git a/book/_toc.yml b/book/_toc.yml
index 4bfcbcb..fd7df89 100644
--- a/book/_toc.yml
+++ b/book/_toc.yml
@@ -1,11 +1,13 @@
 # updating for latest jupyter book version
 
-format: jb-book
+format: jb-article
 # ===== Main Landing Page ========================================
 root: welcome
 
 # ===== Getting started ==========================================
-chapters:
+sections:
 - file: example_section/start
   sections:
     - file: example_section/example
+- url: https://arc.leeds.ac.uk
+  title: Research Computing Website
diff --git a/environment.yml b/environment.yml
index 2f5fcd2..9170976 100644
--- a/environment.yml
+++ b/environment.yml
@@ -1,10 +1,9 @@
 name: arcdocs-jb
 channels:
   - defaults
+  - conda-forge
 dependencies:
-  - python=3.8.12
+  - python=3.9
   - jinja2=3.0.3
-  - pip=20
-  - pip:
-    - jupyter-book==0.13.0
+  - jupyter-book=0.15.1