diff --git a/dev-requirements.txt b/dev-requirements.txt
index d644ba58..0757790f 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,7 +2,7 @@ sphinxcontrib.bibtex
 pybtex
 pytest
 nbsphinx
-Sphinx==7.0.1
+Sphinx==8.1.3
 sphinx_rtd_theme
 numpydoc
 docutils==0.19