diff --git a/docs/requirements.txt b/docs/requirements.txt
index b0ca2f0..1bd76b4 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,2 +1,2 @@
-sphinx==3.3.1
+sphinx==5.3.0
 sphinx-rtd-theme==0.5.0