diff --git a/ci/doc_requirements.txt b/ci/doc_requirements.txt
index f3ebc333e7..2c7ee4f18e 100644
--- a/ci/doc_requirements.txt
+++ b/ci/doc_requirements.txt
@@ -1,4 +1,4 @@
-sphinx==8.0.2
+sphinx==8.1.3
 pydata-sphinx-theme==0.15.4
 sphinx-design==0.6.1
 sphinx-gallery==0.17.1