diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7fb63ef..a2c1eb1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 1.0.0 (2026-03-10)
+
+
+### Bug Fixes
+
+* replace Sites.First with Sites.Default ([#170](https://github.com/hbstack/preferred-language/issues/170)) ([68feff1](https://github.com/hbstack/preferred-language/commit/68feff12e9217fca4527581c34266882437235f9))
+
 ## [0.1.1](https://github.com/hbstack/preferred-language/compare/v0.1.0...v0.1.1) (2024-08-20)