diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c98c49..a1e1d1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,42 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [0.4.0](https://github.com/nodeshift/opossum-prometheus/compare/v0.3.0...v0.4.0) (2024-04-08)
+
+
+### ⚠ BREAKING CHANGES
+
+* Drop support for Node.js v14
+Update prom-client to v15
+metrics is now an async function
+* drop Node.js 12
+
+### Features
+
+* support Node.js v20 ([#78](https://github.com/nodeshift/opossum-prometheus/issues/78)) ([1f3e050](https://github.com/nodeshift/opossum-prometheus/commit/1f3e0503c616a57b77eef8e8e31634e2ae79f598))
+* upgrade opossum from 5.1.3 to 6.2.1 ([#62](https://github.com/nodeshift/opossum-prometheus/issues/62)) ([88e13d5](https://github.com/nodeshift/opossum-prometheus/commit/88e13d5a1e3f4a9cb87375e97c1be8f5742de522))
+* using semistandard and greenkeeper badge removed ([bdfe980](https://github.com/nodeshift/opossum-prometheus/commit/bdfe9809dd46eac7d8cc4161ef2c21f4b5a1029f))
+
+
+### Bug Fixes
+
+* package.json & package-lock.json to reduce vulnerabilities ([#56](https://github.com/nodeshift/opossum-prometheus/issues/56)) ([5c57b1e](https://github.com/nodeshift/opossum-prometheus/commit/5c57b1e22a1147355c9cf983dcfc06ac4fd7cf7a))
+* upgrade coveralls from 3.1.0 to 3.1.1 ([#51](https://github.com/nodeshift/opossum-prometheus/issues/51)) ([1bcbaae](https://github.com/nodeshift/opossum-prometheus/commit/1bcbaae923eea55c2e4b6159f2612c9890c54669))
+* upgrade opossum from 5.0.0 to 5.0.1 ([#33](https://github.com/nodeshift/opossum-prometheus/issues/33)) ([e9e700a](https://github.com/nodeshift/opossum-prometheus/commit/e9e700ad77c7919c7de51234c3ce43ad5e26ee9f))
+* upgrade opossum from 5.0.1 to 5.0.2 ([#36](https://github.com/nodeshift/opossum-prometheus/issues/36)) ([c45d4b1](https://github.com/nodeshift/opossum-prometheus/commit/c45d4b14970734474c78b31a6470a3073a79b3e7))
+* upgrade opossum from 5.0.2 to 5.1.0 ([#38](https://github.com/nodeshift/opossum-prometheus/issues/38)) ([d3f509d](https://github.com/nodeshift/opossum-prometheus/commit/d3f509d313268548c6c5c362548c322d5abb673e))
+* upgrade opossum from 5.1.0 to 5.1.1 ([#39](https://github.com/nodeshift/opossum-prometheus/issues/39)) ([ae9f69b](https://github.com/nodeshift/opossum-prometheus/commit/ae9f69b07f35ff07230ef15d7efa14fdbd272301))
+* upgrade opossum from 5.1.1 to 5.1.2 ([#43](https://github.com/nodeshift/opossum-prometheus/issues/43)) ([f0c00fe](https://github.com/nodeshift/opossum-prometheus/commit/f0c00fe04518b100fc18f0be32fe7e6fd4cb530e))
+* upgrade opossum from 5.1.2 to 5.1.3 ([#44](https://github.com/nodeshift/opossum-prometheus/issues/44)) ([78c826b](https://github.com/nodeshift/opossum-prometheus/commit/78c826b0b941f6a8a8dab142b2c27f3264b6f855))
+* upgrade standard-version from 9.0.0 to 9.1.0 ([#40](https://github.com/nodeshift/opossum-prometheus/issues/40)) ([6c694ed](https://github.com/nodeshift/opossum-prometheus/commit/6c694eda67f0e7743c4dcf5001daa1f5955e6106))
+* upgrade standard-version from 9.1.0 to 9.3.0 ([#49](https://github.com/nodeshift/opossum-prometheus/issues/49)) ([d29b608](https://github.com/nodeshift/opossum-prometheus/commit/d29b60878b76133bcda3be3d57328993b5c94441))
+* upgrade tape from 5.0.1 to 5.1.0 ([#41](https://github.com/nodeshift/opossum-prometheus/issues/41)) ([c51f9d3](https://github.com/nodeshift/opossum-prometheus/commit/c51f9d3e8263b4f47cc7de0a3cd5009152c7ccd4))
+* upgrade tape from 5.1.0 to 5.1.1 ([#42](https://github.com/nodeshift/opossum-prometheus/issues/42)) ([d45e86a](https://github.com/nodeshift/opossum-prometheus/commit/d45e86aa0b83d9b333f73f8f4407e43b16cd9452))
+* upgrade tape from 5.1.1 to 5.2.2 ([#50](https://github.com/nodeshift/opossum-prometheus/issues/50)) ([ebeeed4](https://github.com/nodeshift/opossum-prometheus/commit/ebeeed431aa4589054d496616898a5241d39ce74))
+
+
+* drop Node.js 12 ([b14eca3](https://github.com/nodeshift/opossum-prometheus/commit/b14eca32fc996d46f97b3055c295fb77e436b8fb))
+
 ## [0.3.0](https://github.com/lholmquist/opossum-prometheus/compare/v0.2.0...v0.3.0) (2020-09-02)
 
 
diff --git a/package-lock.json b/package-lock.json
index c4af20d..dbfa3fd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "opossum-prometheus",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "opossum-prometheus",
-      "version": "0.3.0",
+      "version": "0.4.0",
       "license": "Apache-2.0",
       "dependencies": {
         "prom-client": "^15.1.0"
diff --git a/package.json b/package.json
index 517a6fa..db512d0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "opossum-prometheus",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Prometheus metrics for opossum circuit breaker",
   "main": "index.js",
   "scripts": {
@@ -9,7 +9,7 @@
     "pretest": "npm run lint",
     "test": "nyc tape test/*.js | tap-spec",
     "prerelease": "npm run test",
-    "release": "standard-version -s -a"
+    "release": "standard-version -a"
   },
   "repository": {
     "type": "git",