diff --git a/book/_config.yml b/book/_config.yml
index 23c06d3..702234a 100644
--- a/book/_config.yml
+++ b/book/_config.yml
@@ -1,5 +1,5 @@
 title: Template
-author: TeachBooks Team from Delft university of Technology, built with <a href="https://teachbooks.tudelft.nl/">TeachBooks</a> and <a href="https://jupyterbook.org/">Jupyter Book</a>, <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="license noopener noreferrer"">CC BY 4.0<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/cc.svg" alt=""><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/by.svg" alt=""> #Add your own name here
+author: TeachBooks Team from Delft University of Technology, built with <a href="https://teachbooks.tudelft.nl/">TeachBooks</a> and <a href="https://jupyterbook.org/">Jupyter Book</a>, <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="license noopener noreferrer"">CC BY 4.0<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/cc.svg" alt=""><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/by.svg" alt=""></a> #add your own name here
 logo: figures/TUDelft_logo_rgb.png #add your own logo here
 
 execute:
@@ -10,7 +10,6 @@ only_build_toc_files: true
 html:
   favicon : "figures/favicon.ico"
   baseurl :  "https://teachbooks.github.io/template/" #Replace this with your own URL
-  home_page_in_navbar       : true
 
 sphinx:
   config:
@@ -26,9 +25,12 @@ sphinx:
       launch_buttons:
         thebe: true
     html_show_copyright: false
+    html_last_updated_fmt: '%B %-d, %Y'
   extra_extensions:
     - sphinx.ext.imgconverter
     - jupyterbook_patches
+    - download_link_replacer
+    - sphinx.ext.extlinks
 
 bibtex_bibfiles: 
   - references.bib
diff --git a/requirements.txt b/requirements.txt
index ebd2a79..30a25f4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,15 +1,14 @@
 # first list the packages you wish to download from PyPI
 teachbooks # depends on jupyter-book
+jupyterbook-patches
 # numpy
 
 # docutils version for reference page formatting
 docutils==0.17.1
 
 # now list the packages (and the respective url) you wish to download from the GitLab package registry
---extra-index-url https://gitlab.tudelft.nl/api/v4/projects/17983/packages/pypi/simple  #temporarily disable
-jupyterbook_patches ~= 0.1.4  #temporarily disable
---extra-index-url https://gitlab.tudelft.nl/api/v4/projects/11239/packages/pypi/simple  #temporarily disable
+--extra-index-url https://gitlab.tudelft.nl/api/v4/projects/11239/packages/pypi/simple
 sphinx-thebe ~= 0.9.9  #temporarily disable
 
 # lastly any packages you wish to download directly from a Git repository
-download_link_replacer @ git+https://gitlab.tudelft.nl/mude/sphinx-download-link-replacer #temporarily disable
+download_link_replacer @ git+https://gitlab.tudelft.nl/mude/sphinx-download-link-replacer