diff --git a/changelog/unreleased/pull-2576 b/changelog/unreleased/pull-2576
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+Enhancement: Improve the chunking algorithm
+
+We've updated the chunker library responsible for splitting files into smaller
+blocks. It should improve the chunking throughput by 5-10% depending on the
+CPU.
+
+https://github.com/restic/restic/pull/2576