diff --git a/requirements-docs.txt b/requirements-docs.txt
index 94f4fe1..f3bacce 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -2,6 +2,6 @@
 
 -r requirements.txt
 
-Sphinx==3.1.0
+Sphinx==8.1.3
 sphinx-argparse==0.2.5
 sphinx-rtd-theme==0.4.3