diff --git a/docs/release-notes.md b/docs/release-notes.md
index 34b31a7e..9dc3e383 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -1,3 +1,7 @@
+## 0.12.12
+
+* Fix `request.url_for()` for the Mount-within-a-Mount case.
+
 ## 0.12.11
 
 * Fix `request.url_for()` when an ASGI `root_path` is being used.
diff --git a/starlette/__init__.py b/starlette/__init__.py
index 40415051..8fa7a9cf 100644
--- a/starlette/__init__.py
+++ b/starlette/__init__.py
@@ -1 +1 @@
-__version__ = "0.12.11"
+__version__ = "0.12.12"