diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5b0b345db..babc9e3c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,15 @@
 # Changelog
+
+## v1.1.6
+BUGFIX
+* [\#582](https://github.com/binance-chain/bsc/pull/582) the DoS vulnerabilities fixed in go-ethereum v1.10.9
+
+IMPROVEMENT
+* [\#578](https://github.com/binance-chain/bsc/pull/578) reduce memory allocation and upgrade snappy version
+
+FEATURES
+* [\#570](https://github.com/binance-chain/bsc/pull/570) reannounce local pending transactions
+
 ## v1.1.5
 BUGFIX
 * [\#509](https://github.com/binance-chain/bsc/pull/509) fix graceful shutdown bug
diff --git a/params/version.go b/params/version.go
index d15c2d94c..1df331e96 100644
--- a/params/version.go
+++ b/params/version.go
@@ -23,7 +23,7 @@ import (
 const (
 	VersionMajor = 1  // Major version component of the current release
 	VersionMinor = 1  // Minor version component of the current release
-	VersionPatch = 5  // Patch version component of the current release
+	VersionPatch = 6  // Patch version component of the current release
 	VersionMeta  = "" // Version metadata to append to the version string
 )