diff --git a/changelog/unreleased/pull-3261 b/changelog/unreleased/pull-3261
new file mode 100644
index 000000000..f7073ed7b
--- /dev/null
+++ b/changelog/unreleased/pull-3261
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+Enhancement: Reduce file fragmentation for local backend
+
+Before this change, local backend files could become fragmented.
+Now restic will try to preallocate space for pack files to avoid
+their fragmentation.
+
+https://github.com/restic/restic/issues/2679
+https://github.com/restic/restic/pull/3261