diff --git a/requirements.txt b/requirements.txt
index a383c9f..ac01e3f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,12 +6,10 @@ jupyter-book
 docutils==0.17.1
 
 # now list the packages (and the respective url) you wish to download from the GitLab package registry
---index-url https://gitlab.tudelft.nl/api/v4/projects/13957/packages/pypi/simple
-citg-jb-stack
 --extra-index-url https://gitlab.tudelft.nl/api/v4/projects/17983/packages/pypi/simple
-jupyterbook_patches ~= 0.1.3
+jupyterbook_patches ~= 0.1.4
 --extra-index-url https://gitlab.tudelft.nl/api/v4/projects/11239/packages/pypi/simple
-sphinx-thebe == 0.2.1000
+sphinx-thebe ~= 0.9.9
 
 # 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@dlr-0.1.2
\ No newline at end of file
+download_link_replacer @ git+https://gitlab.tudelft.nl/mude/sphinx-download-link-replacer@dlr-0.1.2