diff --git a/changelog/unreleased/pull-4354 b/changelog/unreleased/pull-4354
new file mode 100644
index 000000000..dddbbc765
--- /dev/null
+++ b/changelog/unreleased/pull-4354
@@ -0,0 +1,7 @@
+Enhancement: Significantly reduce prune memory usage
+
+Prune has been optimized to use up to 60% less memory. The memory usage should
+now be roughly similar to creating a backup.
+
+https://github.com/restic/restic/pull/4354
+https://github.com/restic/restic/pull/4812