diff --git a/docs/requirements.txt b/docs/requirements.txt
index a77c0214..3c943d0c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
-sphinx~=5.3
+sphinx~=8.1
 sphinx-rtd-theme~=1.0
 sphinxcontrib-napoleon~=0.7