diff --git a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
index abcf3406aa34..dc5a30d19bc3 100644
--- a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
+++ b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
@@ -12,4 +12,15 @@
       </para>
     </listitem>
   </itemizedlist>
+  <section xml:id="backward-incompatibilities">
+    <title>Backward incompatibilities</title>
+    <itemizedlist spacing="compact">
+      <listitem>
+        <para>
+          The <literal>staticjinja</literal> package has been upgraded
+          from 1.0.4 to 2.0.0
+        </para>
+      </listitem>
+    </itemizedlist>
+  </section>
 </section>
diff --git a/nixos/doc/manual/release-notes/rl-2111.section.md b/nixos/doc/manual/release-notes/rl-2111.section.md
index 1499249148fb..6bd552c873ac 100644
--- a/nixos/doc/manual/release-notes/rl-2111.section.md
+++ b/nixos/doc/manual/release-notes/rl-2111.section.md
@@ -3,3 +3,7 @@
 In addition to numerous new and upgraded packages, this release has the following highlights:
 
 * Support is planned until the end of April 2022, handing over to 22.05.
+
+## Backward incompatibilities
+
+* The `staticjinja` package has been upgraded from 1.0.4 to 2.0.0