diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ffcaca..05f77d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,21 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+<a name="4.0.0"></a>
+## [4.0.0](https://github.com/npm/hosted-git-info/compare/v3.0.7...v4.0.0) (2021-03-09)
+
+
+### Features
+
+* rewrite the entire module: all internals have been rewritten to maintain a similar contract but to remove excessive use of regular expressions, unnecessary loops, the custom string templating engine, and various other bits of complexity ([c218b9](https://github.com/npm/hosted-git-info/commit/c218b9ec90cf6a818341cd0f7b03ea65793b185b))
+
+
+### BREAKING CHANGES
+
+* extending with custom providers has changed ([c218b9](https://github.com/npm/hosted-git-info/commit/c218b9ec90cf6a818341cd0f7b03ea65793b185b))
+
+
+
 <a name="3.0.8"></a>
 ## [3.0.8](https://github.com/npm/hosted-git-info/compare/v3.0.7...v3.0.8) (2021-01-28)