diff --git a/docs/_themes/searxng/static/searxng.css b/docs/_themes/searxng/static/searxng.css
index 1ab8489ec..a214bc9d1 100644
--- a/docs/_themes/searxng/static/searxng.css
+++ b/docs/_themes/searxng/static/searxng.css
@@ -40,7 +40,7 @@ p.sidebar-title, .sidebar p {
 /* admonitions
 */
 
-div.admonition, div.topic, div.toctree-wrapper {
+div.admonition, div.topic, nav.contents, div.toctree-wrapper {
   background-color: #fafafa;
   margin: 8px 0px;
   padding: 1em;
diff --git a/docs/conf.py b/docs/conf.py
index e2bbd1285..44d1c2ad9 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -88,26 +88,26 @@ def setup(app):
 extlinks = {}
 
 # upstream links
-extlinks['wiki'] = ('https://github.com/searxng/searxng/wiki/%s', ' ')
-extlinks['pull'] = ('https://github.com/searxng/searxng/pull/%s', 'PR ')
-extlinks['pull-searx'] = ('https://github.com/searx/searx/pull/%s', 'PR ')
+extlinks['wiki'] = ('https://github.com/searxng/searxng/wiki/%s', ' %s')
+extlinks['pull'] = ('https://github.com/searxng/searxng/pull/%s', 'PR %s')
+extlinks['pull-searx'] = ('https://github.com/searx/searx/pull/%s', 'PR %s')
 
 # links to custom brand
-extlinks['origin'] = (GIT_URL + '/blob/' + GIT_BRANCH + '/%s', 'git://')
-extlinks['patch'] = (GIT_URL + '/commit/%s', '#')
-extlinks['docs'] = (DOCS_URL + '/%s', 'docs: ')
-extlinks['pypi'] = ('https://pypi.org/project/%s', 'PyPi: ')
-extlinks['man'] = ('https://manpages.debian.org/jump?q=%s', '')
+extlinks['origin'] = (GIT_URL + '/blob/' + GIT_BRANCH + '/%s', 'git://%s')
+extlinks['patch'] = (GIT_URL + '/commit/%s', '#%s')
+extlinks['docs'] = (DOCS_URL + '/%s', 'docs: %s')
+extlinks['pypi'] = ('https://pypi.org/project/%s', 'PyPi: %s')
+extlinks['man'] = ('https://manpages.debian.org/jump?q=%s', '%s')
 #extlinks['role'] = (
 #    'https://www.sphinx-doc.org/en/master/usage/restructuredtext/roles.html#role-%s', '')
 extlinks['duref'] = (
-    'https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#%s', '')
+    'https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#%s', '%s')
 extlinks['durole'] = (
-    'https://docutils.sourceforge.io/docs/ref/rst/roles.html#%s', '')
+    'https://docutils.sourceforge.io/docs/ref/rst/roles.html#%s', '%s')
 extlinks['dudir'] =  (
-    'https://docutils.sourceforge.io/docs/ref/rst/directives.html#%s', '')
+    'https://docutils.sourceforge.io/docs/ref/rst/directives.html#%s', '%s')
 extlinks['ctan'] =  (
-    'https://ctan.org/pkg/%s', 'CTAN: ')
+    'https://ctan.org/pkg/%s', 'CTAN: %s')
 
 extensions = [
     'sphinx.ext.imgmath',
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 602c6d3c1..ec30fdc01 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,10 +8,10 @@ splinter==0.18.1
 selenium==4.3.0
 twine==4.0.1
 Pallets-Sphinx-Themes==2.0.2
-Sphinx==4.5.0
+Sphinx==5.0.2
 sphinx-issues==3.0.1
 sphinx-jinja==2.0.2
-sphinx-tabs==3.3.1
+sphinx-tabs==3.4.1
 sphinxcontrib-programoutput==0.17
 sphinx-autobuild==2021.3.14
 sphinx-notfound-page==0.8