diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index c42f473..b72a370 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -3,6 +3,11 @@
 
 version: 2
 
+build:
+    os: ubuntu-22.04
+    tools:
+        python: '3.11'
+
 formats:
   - pdf
 
diff --git a/docs/source/_templates/page.html b/docs/source/_templates/page.html
new file mode 100644
index 0000000..de334e7
--- /dev/null
+++ b/docs/source/_templates/page.html
@@ -0,0 +1,43 @@
+{#
+
+See https://github.com/pradyunsg/furo/blob/main/src/furo/theme/furo/page.html for the original
+block this is overwriting.
+
+The part that is customized is between the "begin of custom part" and "end of custom part"
+comments below. It uses the same styles as the existing right sidebar code.
+
+#}
+{% extends "furo/page.html" %}
+{% block right_sidebar %}
+<div class="toc-sticky toc-scroll">
+  {# begin of custom part #}
+  <div class="toc-title-container">
+    <span class="toc-title">
+      YosysHQ
+    </span>
+  </div>
+  <div class="toc-tree-container yosyshq-links" style="padding-bottom: 0">
+    <div class="toc-tree">
+      <ul>
+        <li></li>
+        <li><a class="reference external" href="https://yosyshq.readthedocs.io">Docs</a></li>
+        <li><a class="reference external" href="https://blog.yosyshq.com">Blog</a></li>
+        <li><a class="reference external" href="https://www.yosyshq.com">Website</a></li>
+      </ul>
+    </div>
+  </div>
+  {# end of custom part #}
+  {% if not furo_hide_toc %}
+  <div class="toc-title-container">
+    <span class="toc-title">
+      {{ _("On this page") }}
+    </span>
+  </div>
+  <div class="toc-tree-container">
+    <div class="toc-tree">
+      {{ toc }}
+    </div>
+  </div>
+  {% endif %}
+</div>
+{% endblock %}
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 1d4cbeb..d85e198 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -1,28 +1,41 @@
 #!/usr/bin/env python3
 project = 'YosysHQ SBY'
 author = 'YosysHQ GmbH'
-copyright ='2021 YosysHQ GmbH'
+copyright = '2023 YosysHQ GmbH'
 
 # select HTML theme
-html_theme = 'press'
+
+templates_path = ["_templates"]
+html_theme = "furo"
 html_logo = '../static/logo.png'
 html_favicon = '../static/favico.png'
-html_css_files = ['yosyshq.css', 'custom.css']
-html_sidebars = {'**': ['util/searchbox.html', 'util/sidetoc.html']}
+html_css_files = ['custom.css']
 
 # These folders are copied to the documentation's HTML output
-html_static_path = ['../static', "../images"]
+html_static_path = ['../static']
 
-# code blocks style 
+# code blocks style
 pygments_style = 'colorful'
 highlight_language = 'systemverilog'
 
 html_theme_options = {
-    'external_links' : [
-        ('YosysHQ Docs', 'https://yosyshq.readthedocs.io'),
-        ('Blog', 'https://blog.yosyshq.com'),
-        ('Website', 'https://www.yosyshq.com'),
-    ],
+    "sidebar_hide_name": True,
+
+    "light_css_variables": {
+        "color-brand-primary": "#d6368f",
+        "color-brand-content": "#4b72b8",
+        "color-api-name": "#8857a3",
+        "color-api-pre-name": "#4b72b8",
+        "color-link": "#8857a3",
+    },
+
+    "dark_css_variables": {
+        "color-brand-primary": "#e488bb",
+        "color-brand-content": "#98bdff",
+        "color-api-name": "#8857a3",
+        "color-api-pre-name": "#4b72b8",
+        "color-link": "#be95d5",
+    },
 }
 
 extensions = ['sphinx.ext.autosectionlabel']
diff --git a/docs/source/requirements.txt b/docs/source/requirements.txt
index 954b454..a95ae18 100644
--- a/docs/source/requirements.txt
+++ b/docs/source/requirements.txt
@@ -1 +1 @@
-sphinx-press-theme
+furo
diff --git a/docs/static/custom.css b/docs/static/custom.css
index 40a8c17..b23ce2d 100644
--- a/docs/static/custom.css
+++ b/docs/static/custom.css
@@ -1 +1,18 @@
-/* empty */
+/* Don't hide the right sidebar as we're placing our fixed links there */
+aside.no-toc {
+  display: block !important;
+}
+
+/* Colorful headings */
+h1 {
+    color: var(--color-brand-primary);
+}
+
+h2, h3, h4, h5, h6 {
+    color: var(--color-brand-content);
+}
+
+/* Use a different color for external links */
+a.external {
+    color: var(--color-brand-primary) !important;
+}
diff --git a/docs/static/yosyshq.css b/docs/static/yosyshq.css
deleted file mode 100644
index 1ceebe9..0000000
--- a/docs/static/yosyshq.css
+++ /dev/null
@@ -1,64 +0,0 @@
-h1, h3, p.topic-title, .content li.toctree-l1 > a {
-    color: #d6368f !important;
-}
-
-h2, p.admonition-title, dt, .content li.toctree-l2 > a {
-    color: #4b72b8;
-}
-
-a {
-    color: #8857a3;
-}
-
-a.current, a:hover, a.external {
-    color: #d6368f !important;
-}
-
-a.external:hover {
-    text-decoration: underline;
-}
-
-p {
-    text-align: justify;
-}
-
-.vp-sidebar a {
-    color: #d6368f;
-}
-
-.vp-sidebar li li a {
-    color: #4b72b8;
-}
-
-.vp-sidebar li li li a {
-    color: #2c3e50;
-    font-weight: 400;
-}
-
-.vp-sidebar h3 {
-    padding-left: 1.5rem !important;
-}
-
-.vp-sidebar ul a {
-    padding-left: 1.5rem !important;
-}
-
-.vp-sidebar ul ul a {
-    padding-left: 3rem !important;
-}
-
-.vp-sidebar ul ul ul a {
-    padding-left: 4.5rem !important;
-}
-
-.vp-sidebar .toctree-l1.current a {
-    border-left: 0.5rem solid #6ecbd7;
-}
-
-.vp-sidebar .toctree-l1 a.current {
-    border-left: 0.5rem solid #8857a3;
-}
-
-.injected .rst-current-version, .injected dt {
-    color: #6ecbd7 !important;
-}