diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1b7828a..d62b3a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [1.0.0](https://github.com/dhensby/silverstripe-masquerade/compare/v0.2.3...v1.0.0) (2023-08-31)
+
+
+### ⚠ BREAKING CHANGES
+
+* upgrade module to work with SS5
+
+### Features
+
+* upgrade module to work with SS5 ([bdc05b3](https://github.com/dhensby/silverstripe-masquerade/commit/bdc05b3ce57d0af40b01646a6389481dc3139632))
+
 ## [0.2.3](https://github.com/dhensby/silverstripe-masquerade/compare/v0.2.2...v0.2.3) (2023-08-31)