diff --git a/docs/releases/3.2.21.txt b/docs/releases/3.2.21.txt
new file mode 100644
index 0000000000..79efc679d1
--- /dev/null
+++ b/docs/releases/3.2.21.txt
@@ -0,0 +1,9 @@
+===========================
+Django 3.2.21 release notes
+===========================
+
+*September 4, 2023*
+
+Django 3.2.21 fixes a security issue with severity "moderate" in 3.2.20.
+
+...
diff --git a/docs/releases/index.txt b/docs/releases/index.txt
index 1da0a752b3..e0ae1b1580 100644
--- a/docs/releases/index.txt
+++ b/docs/releases/index.txt
@@ -25,6 +25,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   3.2.21
    3.2.20
    3.2.19
    3.2.18