diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 8c468b90..e6f87756 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "3.3.3"
+  ".": "4.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e69de29b..f5495869 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -0,0 +1,14 @@
+# Changelog
+
+## [4.0.0](https://github.com/udondan/cdk-ec2-key-pair/compare/v3.3.3...v4.0.0) (2024-03-15)
+
+
+### ⚠ BREAKING CHANGES
+
+* for consistency, the property name now is renamed to keyPairName ([#258](https://github.com/udondan/cdk-ec2-key-pair/issues/258))
+* removes fixed name from lambda function ([#253](https://github.com/udondan/cdk-ec2-key-pair/issues/253))
+
+### Features
+
+* for consistency, the property name now is renamed to keyPairName ([#258](https://github.com/udondan/cdk-ec2-key-pair/issues/258)) ([a39e251](https://github.com/udondan/cdk-ec2-key-pair/commit/a39e2519d1c4b8e4de510f913e9d8464cdb2a480))
+* removes fixed name from lambda function ([#253](https://github.com/udondan/cdk-ec2-key-pair/issues/253)) ([56e17ef](https://github.com/udondan/cdk-ec2-key-pair/commit/56e17ef736dd174a1732745d484f1bd06731b13a))
diff --git a/package-lock.json b/package-lock.json
index e8fecb40..726c8724 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cdk-ec2-key-pair",
-  "version": "3.3.3",
+  "version": "4.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cdk-ec2-key-pair",
-      "version": "3.3.3",
+      "version": "4.0.0",
       "license": "Apache-2.0",
       "devDependencies": {
         "@aws-sdk/client-ec2": "^3.398.0",
diff --git a/package.json b/package.json
index 2dffba0c..08cae6e9 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "cdk-ec2-key-pair",
   "description": "CDK Construct for managing EC2 key pairs",
-  "version": "3.3.3",
+  "version": "4.0.0",
   "license": "Apache-2.0",
   "author": {
     "name": "Daniel Schroeder",