diff --git a/docs/index.rst b/docs/index.rst
index ea8d6bd..8920d2b 100644
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+++ b/docs/index.rst
@@ -16,7 +16,8 @@ be learnt through observation.
 **Tyche Paper:**
 
 - "Tyche: A library for probabilistic reasoning and belief modelling in Python"
-  by Padraig Lamont (2022): `arXiv link <https://arxiv.org/abs/2208.09838>`_
+  by Padraig Lamont (2022): `link <https://doi.org/10.1007/978-3-031-22695-3_27>`
+  and `old arXiv link <https://arxiv.org/abs/2208.09838>`_
 
 
 **Related Publications:**