diff --git a/CHANGES/10304.doc.rst b/CHANGES/10304.doc.rst
new file mode 100644
index 00000000000..cedac3ef881
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@@ -0,0 +1 @@
+Added ``aiohttp-openmetrics`` to list of third-party libraries -- by :user:`jelmer`.
diff --git a/docs/third_party.rst b/docs/third_party.rst
index e8095c7f09d..145a505a5de 100644
--- a/docs/third_party.rst
+++ b/docs/third_party.rst
@@ -305,3 +305,6 @@ ask to raise the status.
 
 - `aiohttp-asgi-connector <https://github.com/thearchitector/aiohttp-asgi-connector>`_
   An aiohttp connector for using a ``ClientSession`` to interface directly with separate ASGI applications.
+
+- `aiohttp-openmetrics <https://github.com/jelmer/aiohttp-openmetrics>`_
+  An aiohttp middleware for exposing Prometheus metrics.