diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 830f368..6249b9c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -3,7 +3,7 @@ on:
   push:
     # Sequence of patterns matched against refs/tags
     tags:
-      - 'v*' # Push events to matching v*, i.e. v1.0, v3.0.0
+      - 'v*' # Push events to matching v*, i.e. v1.0, v4.0.0
 
 jobs:
   release:
@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v3
       - name: Generate changelog
         id: changelog
-        uses: metcalfc/changelog-generator@v3.0.0
+        uses: metcalfc/changelog-generator@v4.0.0
         with:
           myToken: ${{ secrets.GITHUB_TOKEN }}
       - name: Create Release
diff --git a/README.md b/README.md
index 5b563d0..ea96cfc 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ This Action returns a markdown formatted changelog between two git references. T
 
 I just wanted a simple way to populate the body of a GitHub Release.
 
-<a href="https://github.com/metcalfc/changelog-generator/releases/tag/v3.0.0"><img alt="Example Release Notes" src="./release-notes.png" width="400"></a>
+<a href="https://github.com/metcalfc/changelog-generator/releases/tag/v4.0.0"><img alt="Example Release Notes" src="./release-notes.png" width="400"></a>
 
 ## Inputs
 
@@ -41,7 +41,7 @@ First you will need to generate the changelog itself. To get the changelog betwe
 ```yaml
 - name: Generate changelog
   id: changelog
-  uses: metcalfc/changelog-generator@v3.0.0
+  uses: metcalfc/changelog-generator@v4.0.0
   with:
     myToken: ${{ secrets.GITHUB_TOKEN }}
 ```
@@ -51,7 +51,7 @@ Or, if you have two specific references you want:
 ```yaml
 - name: Generate changelog
   id: changelog
-  uses: metcalfc/changelog-generator@v3.0.0
+  uses: metcalfc/changelog-generator@v4.0.0
   with:
     myToken: ${{ secrets.GITHUB_TOKEN }}
     head-ref: 'v0.0.2'
diff --git a/SECURITY.md b/SECURITY.md
index 2106e90..e033a7c 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -4,8 +4,8 @@
 
 | Version | Supported          |
 | ------- | ------------------ |
-| v3.0.0   | :white_check_mark: |
-| < v3.0.0 | :x:                |
+| v4.0.0   | :white_check_mark: |
+| < v4.0.0 | :x:                |
 
 ## Reporting a Vulnerability
 
diff --git a/package-lock.json b/package-lock.json
index c18cb0e..f9f9759 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "changelog-generator",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index 784244e..de0e978 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "changelog-generator",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "A GitHub Action that compares the commit differences between two branches",
   "main": "dist/index.js",
   "scripts": {