diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebaa571..3d9405f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,10 @@
-## v0.9.0 [tbd]
+## v0.9.0 [2023-12-18]
 _What's new?_
 * Add `ListFilesWithContext` function to handle context cancellations.([#70](https://github.com/turbot/go-kit/issues/70))
 * Add `AnySliceToTypedSlice` and `ToTypedSlice` functions.([#78](https://github.com/turbot/go-kit/issues/78))
 * Add `TrimBlankLine` function.([#79](https://github.com/turbot/go-kit/issues/79))
 * Add StringSliceEqualIgnoreOrder function to handle string slices comparison ignoring order. ([#741](https://github.com/turbot/go-kit/issues/74))
+* Add type check functions.
 
 ## v0.8.1 [2023-09-14]
 _Bug fixes_