diff --git a/docs/source/requirements.txt b/docs/source/requirements.txt
index 6a8bd5a..2f1d935 100644
--- a/docs/source/requirements.txt
+++ b/docs/source/requirements.txt
@@ -1,2 +1,2 @@
-Sphinx>=6.2
+sphinx==8.1.3
 sphinx-rtd-theme==1.0.0
\ No newline at end of file