diff --git a/HISTORY.md b/HISTORY.md
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+++ b/HISTORY.md
@@ -2,6 +2,8 @@
 ## 5.4.1 (04/28/2017)
 ### Buf Fxies
 * Fix WriteBatchWithIndex address use after scope error.
+* Fix WritableFile buffer size in direct IO.
+* Add prefetch to PosixRandomAccessFile in buffered io.
 
 ## 5.4.0 (04/11/2017)
 ### Public API Change