diff --git a/tox.ini b/tox.ini
index 0fd470c..ef110f3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,7 @@
 [tox]
 envlist =
+  docnb-force,
+  linkcheck,
   sty,
 skip_install = True
 skip_missing_interpreters = True