diff --git a/docs/requirements.txt b/docs/requirements.txt
index 070f09d..7a9eb61 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,4 @@
 sphinx==5.3.0
 sphinx_rtd_theme==1.1.1
+sphinx_sitemap==2.5.1
 readthedocs-sphinx-search==0.1.1
\ No newline at end of file