diff --git a/CHANGELOG.md b/CHANGELOG.md
index 660cbfc..efb94a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.20.0] - 2021-12-19
+
 ### Added
 
 - Package `x/metrics` is added.
diff --git a/internal/base/base.go b/internal/base/base.go
index af0a6cc..f5a7db5 100644
--- a/internal/base/base.go
+++ b/internal/base/base.go
@@ -22,7 +22,7 @@ import (
 )
 
 // Version of asynq library and CLI.
-const Version = "0.19.1"
+const Version = "0.20.0"
 
 // DefaultQueueName is the queue name used if none are specified by user.
 const DefaultQueueName = "default"