diff --git a/requirements/docs-manual.txt b/requirements/docs-manual.txt
index 2954771..125a4e0 100644
--- a/requirements/docs-manual.txt
+++ b/requirements/docs-manual.txt
@@ -1,7 +1,7 @@
 -r basic.txt
 -r devel.txt
 
-Sphinx==1.1.2
+Sphinx==8.1.1
 Sphinx-PyPI-upload==0.2.1
 docutils>=0.7
 Pygments>=1.2