diff --git a/asciidoc/release-notes.adoc b/asciidoc/release-notes.adoc
index c04489a..9f34ae9 100644
--- a/asciidoc/release-notes.adoc
+++ b/asciidoc/release-notes.adoc
@@ -56,6 +56,7 @@
 - FIX: ivy:retrieve could fail because of a `NullPointerException` (jira:IVY-1641[])
 - FIX: reading POMs may loose dependencies when multiple Maven
   dependencies only differ in `classifier` (jira:IVY-1642[])
+- IMPROVEMENT: Upgrade Apache HttpClient to 4.5.13 (jira:IVY-1644[])
 
 == Committers and Contributors