diff --git a/NPM_CHANGELOG.md b/NPM_CHANGELOG.md
index 3b80b08..4beda58 100644
--- a/NPM_CHANGELOG.md
+++ b/NPM_CHANGELOG.md
@@ -1,5 +1,9 @@
 # NPM Changelog
 
+## [4.1.0]
+
+- Add support for column groups
+
 ## [4.0.2]
 
 - Use AgGrid default bool renderer
diff --git a/README.md b/README.md
index 69a3ae5..55277da 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,8 @@ The latest [Elm package version](https://package.elm-lang.org/packages/mercuryme
 | 14.0.0 - 18.0.0 |   3.4.0 - 3.4.2    |
 | 19.0.0 - 22.0.0 |       3.5.0        |
 | 23.0.0 - 23.1.0 |       3.6.0        |
-|   24.0.0 - \*   |   3.7.0 - 4.0.0    |
+| 24.0.0 - 27.0.2 |   3.7.0 - 4.0.2    |
+| 28.0.0 - *      |   3.7.0 - 4.1.0    |
 
 ## Ag Grid Enterprise
 
diff --git a/package.json b/package.json
index 6457537..a013a75 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mercurymedia/elm-ag-grid",
-  "version": "4.0.2",
+  "version": "4.1.0",
   "description": "",
   "main": "ag-grid-webcomponent/index.js",
   "files": [