diff --git a/cmake/tribits/doc/sphinx/requirements.txt b/cmake/tribits/doc/sphinx/requirements.txt
index afb53d606a..bfbfd38692 100644
--- a/cmake/tribits/doc/sphinx/requirements.txt
+++ b/cmake/tribits/doc/sphinx/requirements.txt
@@ -1,2 +1,2 @@
-Sphinx==8.1.1
+Sphinx==8.1.3
 sphinx-rtd-theme==3.0.1