diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d0e9f38..c5b0243 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -21,6 +21,20 @@ Contributors can provide changes by pull request towards the project.
 
 The included book projects can be built and tested using a `Makefile`.
 
+The following packages need to be installed on the system in order for the build to suceed:
+
+* `inkscape`
+* `make`
+* `python3-myst-parser`
+* `python3-sphinx`
+* `python3-sphinxext-opengraph`
+
+Optional dependencies:
+
+* `codespell`
+* `lychee`
+* `epubcheck`
+
 The below examples show how to use it with a book named `book`.
 
 To cleanly build the [HTML] output: