diff --git a/news/+linkcheck-required.documentation b/news/+linkcheck-required.documentation
new file mode 100644
index 00000000..0f2a3d85
--- /dev/null
+++ b/news/+linkcheck-required.documentation
@@ -0,0 +1 @@
+Require linkcheck to pass. @stevepiercy
diff --git a/tox.ini b/tox.ini
index 52cf5e9c..78cfc2f5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -296,7 +296,7 @@ deps =
 commands =
     python -VV
     mkdir -p {toxinidir}/_build/plone6docs
-    sphinx-build -b linkcheck -d _build/plone6docs/doctrees docs _build/plone6docs/linkcheck
+    sphinx-build -b linkcheck -d _build/plone6docs/doctrees docs _build/plone6docs/linkcheck -W
 
 [testenv:livehtml]
 basepython = python3.11