diff --git a/CHANGELOG.md b/CHANGELOG.md
index f51a457c..b767c984 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+## 4.0.1 (2021-01-26)
+
 - Add missing `capture-soft-fails` option to the XSD schema for the XML config (#417)
 - Fix regression that send PII even when the `send_default_pii` option is off (#425)
 - Fix capture of console errors when the `register_error_listener` option is disabled (#427)