diff --git a/changelog.md b/changelog.md
index f8de738..0e3d49e 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,16 @@
 
 Dates and release notes for all production releases of the Briar Android app. For the Desktop program see [its respective changelog](https://code.briarproject.org/briar/briar-desktop/-/wikis/Changelog).
 
+### [1.5.1 (alpha release)](https://code.briarproject.org/briar/briar/commits/alpha-1.5.1)
+
+2023-04-24
+
+* Update translations
+* Add support for communicating via Briar Mailbox
+* Use "no personalized learning" flag for all keyboard input
+* Fix error message when adding a contact that already exists
+* Fix a crash when requesting Bluetooth discoverability
+
 ### [1.4.23](https://code.briarproject.org/briar/briar/commits/release-1.4.23)
 
 2023-03-09