diff --git a/doc/sphinx/_static/doc-versions.json b/doc/sphinx/_static/doc-versions.json
new file mode 100644
index 000000000..9323e9499
--- /dev/null
+++ b/doc/sphinx/_static/doc-versions.json
@@ -0,0 +1,35 @@
+[
+    {
+        "name": "3.0 (dev)",
+        "version": "3.0",
+        "url": "/documentation/dev/sphinx/html/"
+    },
+    {
+        "version": "2.6.0 (stable)",
+        "url": "/documentation/docs-2.6/sphinx/html/"
+    },
+    {
+        "version": "2.5.1",
+        "url": "/documentation/docs-2.5/sphinx/html/"
+    },
+    {
+        "version": "2.4.0",
+        "url": "/documentation/docs-2.4/sphinx/html/"
+    },
+    {
+        "version": "2.3.0",
+        "url": "/documentation/docs-2.3/sphinx/html/"
+    },
+    {
+        "version": "2.2.1",
+        "url": "/documentation/docs-2.2/sphinx/html/"
+    },
+    {
+        "version": "2.1.2",
+        "url": "/documentation/docs-2.1/sphinx/html/"
+    },
+    {
+        "version": "2.0.2",
+        "url": "/documentation/docs-2.0/sphinx/html/"
+    }
+]
diff --git a/doc/sphinx/conf.py b/doc/sphinx/conf.py
index 9eda9a186..57cdf6aef 100644
--- a/doc/sphinx/conf.py
+++ b/doc/sphinx/conf.py
@@ -176,11 +176,26 @@ html_theme = 'pydata_sphinx_theme'
 html_theme_options = {
     "show_toc_level": 2,
     "navbar_center": ["cantera-org-links"],
+    "navbar_end": ["version-switcher", "theme-switcher", "navbar-icon-links"],
     "logo": {
         "link": "/index.html",
         "alt_text": "Cantera",
     },
     "primary_sidebar_end": ["numfocus"],
+    "switcher": {
+        "json_url": "/documentation/dev/sphinx/html/_static/doc-versions.json",
+        # "json_url": "https://cantera.org/doc-versions.json",
+        "version_match": version,
+    },
+    "check_switcher": False,
+    "icon_links": [
+        {
+            "name": "GitHub",
+            "url": "https://github.com/Cantera/cantera",
+            "icon": "fa-brands fa-square-github",
+            "type": "fontawesome",
+        }
+   ],
 }
 
 # Add any paths that contain custom themes here, relative to this directory.