diff --git a/requirements-dev.txt b/requirements-dev.txt
index 52cc46c..2313211 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 -r requirements.txt
 myst-parser==4.0.0
-sphinx==8.0.2
+sphinx==8.1.3
 sphinx_rtd_theme==3.0.1
 pytest==8.3.3
 pytest-cov==5.0.0