diff --git a/docs/requirements.txt b/docs/requirements.txt
index 9d5ec37..56a21fd 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -3,6 +3,7 @@ numba
 numpy>=1.20
 sphinx
 sphinxcontrib-bibtex
+sphinx_rtd_theme>=0.5.1
 tensorboard
 torch
 tqdm