diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8df5f49..bf7ba60 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ 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
+## [2.2.0] 2021-06-30
 ### Added
 - Streaming API:
 	- New structs:
@@ -131,6 +131,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 			- Android: `Go2AndroidReader(reader)`, implements the `Reader` interface, but returns `n == -1` instead of `err == io.EOF`
 			- iOS: `Go2IOSReader(reader)`, implements `MobileReader`.
 		- Using a `Writer`: you can use a writer returned by golang directly.
+
 ## [2.1.10] 2021-06-16
 ### Fixed
 - Removed time interpolation via monotonic clock that can cause signatures in the future
diff --git a/constants/armor.go b/constants/armor.go
index d083e54..1f33704 100644
--- a/constants/armor.go
+++ b/constants/armor.go
@@ -3,7 +3,7 @@ package constants
 
 // Constants for armored data.
 const (
-	ArmorHeaderVersion = "GopenPGP 2.1.9"
+	ArmorHeaderVersion = "GopenPGP 2.2.0"
 	ArmorHeaderComment = "https://gopenpgp.org"
 	PGPMessageHeader   = "PGP MESSAGE"
 	PGPSignatureHeader = "PGP SIGNATURE"
diff --git a/constants/version.go b/constants/version.go
index 06344df..0df2485 100644
--- a/constants/version.go
+++ b/constants/version.go
@@ -1,3 +1,3 @@
 package constants
 
-const Version = "2.1.9"
+const Version = "2.2.0"