diff --git a/CHANGES/6889.bugfix b/CHANGES/6889.bugfix
new file mode 100644
index 0000000000..ea438993d8
--- /dev/null
+++ b/CHANGES/6889.bugfix
@@ -0,0 +1,4 @@
+Export :py:class:`~aiohttp.web.PrefixedSubAppResource` under
+:py:mod:`aiohttp.web` -- by :user:`Dreamsorcerer`.
+
+This fixes a regression introduced by :pr:`3469`.
diff --git a/aiohttp/web.py b/aiohttp/web.py
index e771a61591..0b46537565 100644
--- a/aiohttp/web.py
+++ b/aiohttp/web.py
@@ -137,6 +137,7 @@
     AbstractRoute as AbstractRoute,
     DynamicResource as DynamicResource,
     PlainResource as PlainResource,
+    PrefixedSubAppResource as PrefixedSubAppResource,
     Resource as Resource,
     ResourceRoute as ResourceRoute,
     StaticResource as StaticResource,
@@ -263,6 +264,7 @@
     "AbstractRoute",
     "DynamicResource",
     "PlainResource",
+    "PrefixedSubAppResource",
     "Resource",
     "ResourceRoute",
     "StaticResource",