diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32e9c7e..18dd20a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## [Unreleased]
 
+## [1.4.0]
+
+_2022-09-30_
+
+- Update Kotlin 1.7.20
+
 ## [1.3.0]
 
 _2022-09-14_
@@ -28,8 +34,9 @@ _2022-08-22_
 
 > **Note** 🎉 Initial release
 
-[Unreleased]: https://github.com/SimonMarquis/SealedObjectInstances/compare/1.3.0...HEAD
-[1.2.0]: https://github.com/SimonMarquis/SealedObjectInstances/releases/tag/1.3.0
+[Unreleased]: https://github.com/SimonMarquis/SealedObjectInstances/compare/1.4.0...HEAD
+[1.4.0]: https://github.com/SimonMarquis/SealedObjectInstances/releases/tag/1.4.0
+[1.3.0]: https://github.com/SimonMarquis/SealedObjectInstances/releases/tag/1.3.0
 [1.2.0]: https://github.com/SimonMarquis/SealedObjectInstances/releases/tag/1.2.0
 [1.1.0]: https://github.com/SimonMarquis/SealedObjectInstances/releases/tag/1.1.0
 [1.0.0]: https://github.com/SimonMarquis/SealedObjectInstances/releases/tag/1.0.0
diff --git a/gradle.properties b/gradle.properties
index 5de3fed..ebadc09 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-version=1.4.0-SNAPSHOT
+version=1.4.0
 group=com.github.SimonMarquis
 
 # Configs