diff --git a/conf.py b/conf.py
index 0626c98de..af7525bed 100644
--- a/conf.py
+++ b/conf.py
@@ -24,9 +24,9 @@ release = version
 
 # RTD theme options
 html_theme_options = {
-    'logo_only': True,
-    'style_external_links': True,
-    'display_version': False,
+	'logo_only': True,
+	'style_external_links': True,
+	'version_selector': False,
 }
 
 # relative path to subdirectories
@@ -58,7 +58,6 @@ else:
 html_context = {
 	'current_version': version,
 	'READTHEDOCS': True,
-	'extra_css_files': ['_static/custom.css'],
 
 	# force github plugin
 	'display_github': True,
@@ -68,6 +67,12 @@ html_context = {
 	'theme_vcs_pageview_mode': 'edit/%s/' % github_branch, # to be completed by each individual conf.py
 }
 
+html_static_path = ['_static']
+# Extra CSS relative to html_static_path
+html_css_files = [
+	'custom.css'
+]
+
 edit_on_github_project = 'nextcloud/documentation'
 edit_on_github_branch = 'master'
 
diff --git a/requirements.txt b/requirements.txt
index 0c147bdf6..03b617010 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,9 +17,9 @@ requests==2.32.3
 rst2pdf==0.102
 smartypants==2.0.1
 snowballstemmer==2.2.0
-Sphinx==7.4.7
+Sphinx==8.1.3
 sphinx-copybutton==0.5.2
-sphinx-rtd-theme==2.0.0
+sphinx-rtd-theme==3.0.1
 sphinx-rtd-dark-mode==1.3.0
 sphinxcontrib-applehelp==2.0.0
 sphinxcontrib-devhelp==2.0.0