diff --git a/docs/requirements.txt b/docs/requirements.txt
index 11c0f220..86ec9ebf 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-Sphinx~=3.3.1
+Sphinx~=8.1.3
 sphinx-automodapi~=0.13
 sphinx_rtd_theme~=0.5.0
 sphinxcontrib-napoleon~=0.7