diff --git a/requirements.txt b/requirements.txt
index f569e815..6df6db45 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
-Sphinx>=4.3
+Sphinx>=6.0.0
 sphinx-intl>=2.0.1
-sphinx-rtd-theme>=0.5.2
+sphinx-rtd-theme>=3.0.0
 git+https://github.com/overte-org/video.git
 
 myst-parser>=2.0.0
diff --git a/source/conf.py b/source/conf.py
index b778d7b1..25973a3f 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -99,7 +99,7 @@ def setup(app):
 
 html_theme_options = {
     'logo_only': True,
-    'display_version': False,
+    'version_selector': False,
     'prev_next_buttons_location': 'bottom'
 }