diff --git a/docs/requirements.txt b/docs/requirements.txt
index 733cc96..710ce34 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,7 +1,7 @@
 # This file is used to setup env
 # to generate documentation.
 
-sphinx==4.4.0
+sphinx==6.1.2
 sphinx-autodoc-typehints==1.16.0
 m2r2==0.3.2
 tomlkit==0.8.0