diff --git a/CHANGES.md b/CHANGES.md
index dd17b5a5..3a1e2240 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -5,6 +5,11 @@
 * Change requirements for pure py3
 
 
+### 3.27.8 (2023-02-20 23:30:00 UTC)
+
+* Update UnRar x64 for Windows 6.20 to 6.21
+
+
 ### 3.27.7 (2023-02-18 22:40:00 UTC)
 
 * Fix using recently updated torrent parser for py3 bytes
diff --git a/lib/rarfile/UnRAR.exe b/lib/rarfile/UnRAR.exe
index bd993ac4..94e12b67 100644
Binary files a/lib/rarfile/UnRAR.exe and b/lib/rarfile/UnRAR.exe differ