diff --git a/README.md b/README.md
index e284dc76d334461f9941ff1ee81d72e01d2b380f..f2a2154277534d989e78ac28ffbe4c335e562d4b 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ We are using `mkdocs` as the static site generator to generate the website from
 
 You can preview the website after cloning it. First you need to install `mkdocs` and the used theme by:
 ```sh
-pip install mkdocs mkdocs-material mkdocs-glightbox mkdoxy mkdocs-site-urls
+pip install mkdocs mkdocs-material mkdocs-glightbox mkdoxy mkdocs-site-urls mkdocs-bibtex
 ```
 
 Then you can change the directory to the repository and run