diff --git a/changelog.md b/changelog.md
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@@ -0,0 +1,20 @@
+
+# Changelog
+
+> 📖 back to [readme](readme.md)
+
+Auth-middleware follows semantic versioning.\
+Any issues should be reported.
+
+
+## v1.1
+
+Improved default injector:
+- `TokenManipulators::attributeInjector` now accepts a callable
+with signature `fn(Throwable): mixed` for producing a value to be written to the error attribute.
+- The default injector will no longer prefix the exception messages with `Token Error: ` prefix.
+
+
+## v1.0
+
+The initial release.
diff --git a/readme.md b/readme.md
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--- a/readme.md
+++ b/readme.md
@@ -8,6 +8,8 @@
 Modern and highly flexible PSR-15 authentication and authorization middleware.
 
 > 💿 `composer require dakujem/auth-middleware`
+>
+> 📒 [Changelog](changelog.md)
 
 
 ## Default Usage