diff --git a/CHANGELOG.md b/CHANGELOG.md
index f804814..2d6ba3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,10 @@ since 0.4.1, and this project adheres to [Semantic Versioning](https://semver.or
 - Always use our own seccomp policy as a default ([#926](https://github.com/freedomofpress/dangerzone/pull/926))
 - Switch from CircleCI runners to Github actions ([#907](https://github.com/freedomofpress/dangerzone/pull/907))
 
+### Removed
+
+- Platform support: Drop Ubuntu Mantic (23.10), since it's end-of-life ([#840](https://github.com/freedomofpress/dangerzone/pull/977))
+
 ## [0.7.1](https://github.com/freedomofpress/dangerzone/compare/v0.7.1...v0.7.0)
 
 ### Fixed