diff --git a/CHANGELOG.md b/CHANGELOG.md
index 59ed287..3b1da9b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.6.4] - 2019-05-07
+
+### Compatibility note
+- Require Firefox >= 55
+- Require Chrome >= 22
+
+### Added
+- Added Polish translation by [@alekksander](https://gitlab.com/alekksander)
+
 ## [1.6.3] - 2019-05-06
 
 ### Compatibility note
diff --git a/manifest.json b/manifest.json
index 3697024..e680dcb 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
     "manifest_version": 2,
     "name": "ClearURLs",
-    "version": "1.6.3",
+    "version": "1.6.4",
     "author": "Kevin R.",
     "description": "Remove tracking elements form URLs.",
     "homepage_url": "https://gitlab.com/KevinRoebert/ClearUrls",