diff --git a/setup.cfg b/setup.cfg
index b15704a7d51..d85e6d4ed60 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -57,7 +57,7 @@ test =
 ; release scripts and process.
 dev_release =
     towncrier ~= 22.8
-    pydoctor ~= 22.7.0
+    pydoctor ~= 22.9.0
     sphinx_rtd_theme ~= 1.0
     readthedocs-sphinx-ext ~= 2.1
     sphinx >= 5.0, <6
diff --git a/src/twisted/newsfragments/11690.doc b/src/twisted/newsfragments/11690.doc
new file mode 100644
index 00000000000..e5461995dd1
--- /dev/null
+++ b/src/twisted/newsfragments/11690.doc
@@ -0,0 +1 @@
+The implementers of Zope interfaces are once more displayed in the documentations.