diff --git a/docs/requirements.txt b/docs/requirements.txt
index e4ae210..09d0f1b 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,2 +1,2 @@
-Sphinx==7.1.1
+Sphinx==6.1.3
 sphinx-rtd-theme==1.2.2