diff --git a/HISTORY.md b/HISTORY.md
index 3e4b05672..7e44775a7 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,5 @@
 # Rocksdb Change Log
-## Unreleased
+## 6.27.0 (2021-11-19)
 ### New Features
 * Added new ChecksumType kXXH3 which is faster than kCRC32c on almost all x86\_64 hardware.
 * Added a new online consistency check for BlobDB which validates that the number/total size of garbage blobs does not exceed the number/total size of all blobs in any given blob file.
diff --git a/include/rocksdb/version.h b/include/rocksdb/version.h
index 881389981..b33f08f34 100644
--- a/include/rocksdb/version.h
+++ b/include/rocksdb/version.h
@@ -10,7 +10,7 @@
 #include "rocksdb/rocksdb_namespace.h"
 
 #define ROCKSDB_MAJOR 6
-#define ROCKSDB_MINOR 26
+#define ROCKSDB_MINOR 27
 #define ROCKSDB_PATCH 0
 
 // Do not use these. We made the mistake of declaring macros starting with