diff --git a/docs/requirements.txt b/docs/requirements.txt
index ca421b6..a1f35c7 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
-sphinx>=7.0
+sphinx>=8.1.3
 sphinx_rtd_theme>=3.0
 python-can>=4.0