diff --git a/CHANGELOG.md b/CHANGELOG.md
index 946450b..9652e02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,13 @@ All notable changes to this library are documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this library adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased](https://github.com/fluentassert/verify/compare/v1.2.0...HEAD)
+## [1.3.0](https://github.com/fluentassert/verify/releases/tag/v1.2.0) - 2025-02-17
+
+### Deprecated
+
+- Deprecate the whole library. Avoid using assertion libraries.
+  Use the standard library and [github.com/google/go-cmp/cmp](https://pkg.go.dev/github.com/google/go-cmp/cmp)
+  instead. Follow the official [Go Test Comments](https://go.dev/wiki/TestComments).
 
 ## [1.2.0](https://github.com/fluentassert/verify/releases/tag/v1.2.0) - 2024-09-10
 
diff --git a/README.md b/README.md
index 47a2e59..f563487 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,15 @@
 # fluentassert
 
-> Extensible, type-safe, fluent assertion Go library.
+> [!CAUTION]
+> [Avoid using assertion libraries](https://go.dev/wiki/TestComments#assert-libraries).
+> Instead, use [`go-cmp`](https://github.com/google/go-cmp)
+> and write custom test helpers.
+> Using the popular [`testify`](https://github.com/stretchr/testify)
+> may be also an acceptable choice,
+> especially together with [`testifylint`](https://github.com/Antonboom/testifylint)
+> to avoid common mistakes.
+> Use this library if you still want to.
+> Consider yourself warned.
 
 [![Go Reference](https://pkg.go.dev/badge/github.com/fluentassert/verify.svg)](https://pkg.go.dev/github.com/fluentassert/verify)
 [![Keep a Changelog](https://img.shields.io/badge/changelog-Keep%20a%20Changelog-%23E05735)](CHANGELOG.md)
@@ -22,17 +31,6 @@ The generics (type parameters) make the usage type-safe.
 
 The library is [extensible](#extensibility) by design.
 
-> [!CAUTION]
-> [Avoid using assertion libraries](https://go.dev/wiki/TestComments#assert-libraries).
-> Instead, use [`go-cmp`](https://github.com/google/go-cmp)
-> and write custom test helpers.
-> Using the popular [`testify`](https://github.com/stretchr/testify)
-> may be also an acceptable choice,
-> especially together with [`testifylint`](https://github.com/Antonboom/testifylint)
-> to avoid common mistakes.
-> Use this library if you still want to.
-> Consider yourself warned.
-
 ### Quick start
 
 ```go
diff --git a/doc.go b/doc.go
index 8166953..b9e4e27 100644
--- a/doc.go
+++ b/doc.go
@@ -5,4 +5,10 @@
 //
 // At last, you may embed a Fluent* type
 // to extend it with additional assertion functions.
+//
+// Deprecated: avoid using assertion libraries.
+// Use the standard library and [github.com/google/go-cmp/cmp] instead.
+// Follow the official [Go Test Comments].
+//
+// [Go Test Comments]: https://go.dev/wiki/TestComments
 package verify
diff --git a/go.mod b/go.mod
index 08e6e5e..a17d2b4 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,6 @@
+// Deprecated: avoid using assertion libraries.
+// Use the standard library and github.com/google/go-cmp/cmp instead.
+// Follow the official Go Test Comments: https://go.dev/wiki/TestComments.
 module github.com/fluentassert/verify
 
 go 1.18