diff --git a/tox.ini b/tox.ini
index 81fb37e..9207dae 100644
--- a/tox.ini
+++ b/tox.ini
@@ -74,6 +74,25 @@ setenv =
   EXECUTE_NB = yes
   FORCE_COLOR = yes
 
+[testenv:docnblive]
+allowlist_externals =
+  sphinx-autobuild
+commands =
+  sphinx-autobuild \
+    --watch docs \
+    --watch src \
+    --re-ignore docs/.*\.inv \
+    --re-ignore docs/_build/.* \
+    --re-ignore docs/api/.* \
+    --open-browser \
+    docs/ docs/_build/html
+description =
+  Set up a server to preview changes to the HTML pages live
+passenv = *
+setenv =
+  EXECUTE_NB = yes
+  FORCE_COLOR = yes
+
 [testenv:linkcheck]
 allowlist_externals =
   sphinx-build