diff --git a/CHANGELOG.md b/CHANGELOG.md
index 47064fdd9..4b61b3537 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## v1.4.0 (2020-08-02)
+
+#### :rocket: Enhancement
+* [#777](https://github.com/simplabs/qunit-dom/pull/777) Add isNotValid assertion ([@luxferresum](https://github.com/luxferresum))
+
+#### :memo: Documentation
+* [#778](https://github.com/simplabs/qunit-dom/pull/778) Add "qunit-plugin" keyword to package.json ([@Krinkle](https://github.com/Krinkle))
+
+#### :house: Internal
+* [#764](https://github.com/simplabs/qunit-dom/pull/764) Update TypeScript from v3.8.3 to v3.9.7
+* [#773](https://github.com/simplabs/qunit-dom/pull/773) Refactor CSS Style Declaration types ([@BarryThePenguin](https://github.com/BarryThePenguin))
+
+#### Committers: 3
+- Jonathan Haines ([@BarryThePenguin](https://github.com/BarryThePenguin))
+- Lukas Kohler ([@luxferresum](https://github.com/luxferresum))
+- Timo Tijhof ([@Krinkle](https://github.com/Krinkle))
+
+
 ## v1.3.0 (2020-07-30)
 
 #### :rocket: Enhancement
diff --git a/package.json b/package.json
index 4b8ac3c19..02cbe648d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "qunit-dom",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "High Level DOM Assertions for QUnit",
   "keywords": [
     "browser",