diff --git a/CHANGELOG.md b/CHANGELOG.md
index a15e69cff..358701c37 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,34 @@
 # Changelog
 
+## v5.1.0 - 2026-03-31
+
+**Security**
+
+This change does not break the API contract, but it does introduce breaking changes in logic/behavior.
+If your application is using `c.RealIP()` beware and read https://echo.labstack.com/docs/ip-address
+
+`v4` behavior can be restored with:
+```go
+e := echo.New()
+e.IPExtractor = echo.LegacyIPExtractor()
+```
+
+* Remove legacy IP extraction logic from context.RealIP method by @aldas in https://github.com/labstack/echo/pull/2933
+
+
+**Enhancements**
+
+* Add echo-opentelemetry to the README.md by @aldas in https://github.com/labstack/echo/pull/2908
+* fix: correct spelling mistakes in comments and field name by @crawfordxx in https://github.com/labstack/echo/pull/2916
+* Add https://github.com/labstack/echo-prometheus to the middleware list in README.md by @aldas in https://github.com/labstack/echo/pull/2919
+* Add StartConfig.Listener so server with custom Listener is easier to create by @aldas in https://github.com/labstack/echo/pull/2920
+* Fix rate limiter documentation for default burst value by @karesansui-u in https://github.com/labstack/echo/pull/2925
+* Add doc comments to clarify usage of File related methods and leading slash handling by @aldas in https://github.com/labstack/echo/pull/2928
+* Add NewDefaultFS function to help create filesystem that allows absolute paths by @aldas in https://github.com/labstack/echo/pull/2931
+* Do not set http.Server.WriteTimeout in StartConfig by @aldas in https://github.com/labstack/echo/pull/2932
+
+
+
 ## v5.0.4 - 2026-02-15
 
 **Enhancements**
diff --git a/README.md b/README.md
index 6ba1801fd..2c958a55a 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 [![Sourcegraph](https://sourcegraph.com/github.com/labstack/echo/-/badge.svg?style=flat-square)](https://sourcegraph.com/github.com/labstack/echo?badge)
-[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](https://pkg.go.dev/github.com/labstack/echo/v4)
+[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](https://pkg.go.dev/github.com/labstack/echo/v5)
 [![Go Report Card](https://goreportcard.com/badge/github.com/labstack/echo?style=flat-square)](https://goreportcard.com/report/github.com/labstack/echo)
 [![GitHub Workflow Status (with event)](https://img.shields.io/github/actions/workflow/status/labstack/echo/echo.yml?style=flat-square)](https://github.com/labstack/echo/actions)
 [![Codecov](https://img.shields.io/codecov/c/github/labstack/echo.svg?style=flat-square)](https://codecov.io/gh/labstack/echo)
@@ -50,11 +50,7 @@ Click [here](https://github.com/sponsors/labstack) for more information on spons
 ### Supported Echo versions
 
 - Latest major version of Echo is `v5` as of 2026-01-18.
-  - Until 2026-03-31, any critical issues requiring breaking API changes will be addressed, even if this violates
-    semantic versioning.
   - See [API_CHANGES_V5.md](./API_CHANGES_V5.md) for public API changes between `v4` and `v5`, notes on upgrading.
-  - If you are using Echo in a production environment, it is recommended to wait until after 2026-03-31 before
-    upgrading.
 - Echo `v4` is supported with **security*** updates and **bug** fixes until **2026-12-31**
 
 ### Installation
diff --git a/version.go b/version.go
index 739a04b97..208112090 100644
--- a/version.go
+++ b/version.go
@@ -5,5 +5,5 @@ package echo
 
 const (
 	// Version of Echo
-	Version = "5.0.4"
+	Version = "5.1.0"
 )