diff --git a/README.rst b/README.rst
index ed9109227..66da95e06 100644
--- a/README.rst
+++ b/README.rst
@@ -272,6 +272,8 @@ OpenSlides uses the following projects or parts of them:
* `Sphinx `_, License: BSD
+* Sphinx extension `autoimage `_, License: MIT
+
* `Sphinx Bootstrap Theme
`_, License: MIT