diff --git a/Doc/conf.py b/Doc/conf.py
index 7f925dc7a8e..5addee03789 100644
--- a/Doc/conf.py
+++ b/Doc/conf.py
@@ -82,7 +82,7 @@
 highlight_language = 'python3'
 
 # Minimum version of sphinx required
-needs_sphinx = '4.2'
+needs_sphinx = '6.2.1'
 
 # Create table of contents entries for domain objects (e.g. functions, classes,
 # attributes, etc.). Default is True.