diff --git a/CHANGELOG.md b/CHANGELOG.md
index b1b6c33..8e624ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 ## Unreleased
 
+## [8.1.0] - 2024-01-15
 ### Added
 - ServerDisks - Implement `/serverdisk` endpoint.
 
diff --git a/client.go b/client.go
index 9caa1ec..0916aa4 100644
--- a/client.go
+++ b/client.go
@@ -11,7 +11,7 @@ import (
 	"strings"
 )
 
-const version = "8.0.0"
+const version = "8.1.0"
 
 type httpClientInterface interface {
 	Do(*http.Request) (*http.Response, error)
diff --git a/client_test.go b/client_test.go
index dacaf58..b49e12c 100644
--- a/client_test.go
+++ b/client_test.go
@@ -33,7 +33,7 @@ func TestRequestHasCorrectHeaders(t *testing.T) {
 	assert.NoError(t, err)
 
 	assert.Equal(t, "application/json", request.Header.Get("Content-Type"), "header Content-Type is correct")
-	assert.Equal(t, "test-application/0.0.1 glesys-go/8.0.0", request.Header.Get("User-Agent"), "header User-Agent is correct")
+	assert.Equal(t, "test-application/0.0.1 glesys-go/8.1.0", request.Header.Get("User-Agent"), "header User-Agent is correct")
 
 	assert.NotEmpty(t, request.Header.Get("Authorization"), "header Authorization is not empty")
 }
@@ -43,7 +43,7 @@ func TestEmptyUserAgent(t *testing.T) {
 
 	request, err := client.newRequest(context.Background(), "GET", "/", nil)
 	assert.NoError(t, err)
-	assert.Equal(t, "glesys-go/8.0.0", request.Header.Get("User-Agent"), "header User-Agent is correct")
+	assert.Equal(t, "glesys-go/8.1.0", request.Header.Get("User-Agent"), "header User-Agent is correct")
 }
 
 func TestGetResponseErrorMessage(t *testing.T) {