diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a74dce5f..03eb8c23 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -15,7 +15,7 @@ Before starting, you need a few tools.
   - `python3-sphinx`
   - `texlive-full`
  - The following packages from PyPI:
-  - `sphinx_debootstrap_theme`
+  - `sphinx_bootstrap_theme`
 
 ## Getting the code