diff --git a/CHANGELOG.md b/CHANGELOG.md
index f771672..29c2402 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,15 +1,21 @@
-## 1.0.3
+## 1.1.0
+
+- feat: add ra4, gI, gA drag functions
+- feat: trajectory data interpolation extension
+- bug: fix unit conversions
+- docs: add sources for drag functions
+- tests: basic trajectory unit tests based on Hornady calculator
 
-- Allo unconverted creation of units. 
+## 1.0.3
 
+- Allo unconverted creation of units.
 
 ## 1.0.2
 
 - Format code using `dartfmt`.
 
-
 ## 1.0.1
- 
+
 - Renaming example file.
 - Reformat code using dartfmt
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 513b38b..5179385 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: ballistic
 description: Calculation of the bullet trajectory in flight, bullet drop, bullet path, bullet velocity, wind deflection, and terminal velocity in a 2D environment. |
-version: 1.0.3
+version: 1.1.0
 repository: https://github.com/deicon/ballistic
 
 environment: