diff --git a/CHANGELOG.md b/CHANGELOG.md
index cbd0e50..002b91d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,13 +4,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [2.1.3] 2020-12-09
 ### Added
 - `helper.FreeOSMemory()` to explicitly call the GC and release the memory to the OS
 
 ### Changed
-- users of the library no longer need a `replace` directive for x/crypto
-- added new calls to `runtime.GC()` in the low memory attachment processor
+- Users of the library no longer need a `replace` directive for x/crypto
+- Added new calls to `runtime.GC()` in the low memory attachment processor
+- Reduced attachment memory allocation
 
 ## [2.1.2] 2020-12-01
 ### Added
@@ -18,7 +19,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - Improved canonicalization performance
-- Reduced attachment memory allocation
 
 ## [2.1.1] 2020-11-16
 ### Changed
diff --git a/constants/armor.go b/constants/armor.go
index 168748a..1e47269 100644
--- a/constants/armor.go
+++ b/constants/armor.go
@@ -3,7 +3,7 @@ package constants
 
 // Constants for armored data.
 const (
-	ArmorHeaderVersion = "GopenPGP 2.1.2"
+	ArmorHeaderVersion = "GopenPGP 2.1.3"
 	ArmorHeaderComment = "https://gopenpgp.org"
 	PGPMessageHeader   = "PGP MESSAGE"
 	PGPSignatureHeader = "PGP SIGNATURE"
diff --git a/constants/version.go b/constants/version.go
index e8435b8..21e4980 100644
--- a/constants/version.go
+++ b/constants/version.go
@@ -1,3 +1,3 @@
 package constants
 
-const Version = "2.1.2"
+const Version = "2.1.3"