diff --git a/src/site/xhtml/release-notes.xhtml b/src/site/xhtml/release-notes.xhtml
index 1e3bff32..0158aaaa 100644
--- a/src/site/xhtml/release-notes.xhtml
+++ b/src/site/xhtml/release-notes.xhtml
@@ -6,6 +6,13 @@
 
 <h1>IDS Server Release Notes</h1>
 
+<h2>2.1.0</h2>
+<ul>
+    <li>#155, #156: Set Content-Length header in responses sending
+        only a single file
+    </li>
+</ul>
+
 <h2>2.0.0</h2>
 <p>Make the transition to Payara 6</p>
 <ul>