diff --git a/CHANGELOG.md b/CHANGELOG.md
index d27f918..b792872 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 1.2.0
+
+- Add `RangeBounds` classes
+- Improve `range` function
+- Add `Slice` now implements `List`
+
 ## 1.1.2
 
 - Project logo
diff --git a/pubspec.yaml b/pubspec.yaml
index 497b093..c5cb054 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: rust_core
 description: Pure Dart implementation of patterns in Rust's core library. Types include Result, Option, Cell, Slice, Array, Iterator, etc. Facilitates functional programming and error handling.
-version: 1.1.2
+version: 1.2.0
 repository: https://github.com/mcmah309/rust_core
 
 environment: