diff --git a/CHANGELOG.md b/CHANGELOG.md
index 16eafcbe..818568b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,10 @@
 Changes by Version
 ==================
 
-2.22.1 (unreleased)
+2.22.1 (2020-01-16)
 -------------------
 
-- Nothing yet.
+- Increase UDP batch overhead to account for data loss metrics ([#488](https://github.com/jaegertracing/jaeger-client-go/pull/488)) -- Yuri Shkuro
 
 
 2.22.0 (2020-01-15)
diff --git a/constants.go b/constants.go
index 9d998313..1702c7de 100644
--- a/constants.go
+++ b/constants.go
@@ -22,7 +22,7 @@ import (
 
 const (
 	// JaegerClientVersion is the version of the client library reported as Span tag.
-	JaegerClientVersion = "Go-2.22.1-dev"
+	JaegerClientVersion = "Go-2.22.1"
 
 	// JaegerClientVersionTagKey is the name of the tag used to report client version.
 	JaegerClientVersionTagKey = "jaeger.version"