diff --git a/History.md b/History.md
index dbd1c66..567b5c2 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,12 @@
+1.6.3 / 2016-09-22
+------------------
+
+* Add missing kinds
+* Fix conversion from percentage to unitless quantity
+* Fix capacitance definition
+* Exclude `farad` from base units
+* Rename `mass concentration` to `density`
+
 1.6.2 / 2016-04-13
 ------------------
 
diff --git a/README.md b/README.md
index ddc6d75..fb61965 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ and within browsers.
 
 ### Browser
 
-Download [latest release v1.6.2](https://raw.github.com/gentooboontoo/js-quantities/v1.6.2/src/quantities.js)
+Download [latest release v1.6.3](https://raw.github.com/gentooboontoo/js-quantities/v1.6.3/src/quantities.js)
 or install it with Bower:
 
     bower install js-quantities
diff --git a/RELEASE b/RELEASE
index fdd3be6..266146b 100644
--- a/RELEASE
+++ b/RELEASE
@@ -1 +1 @@
-1.6.2
+1.6.3
diff --git a/bower.json b/bower.json
index c85bcf5..a5480d3 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "js-quantities",
-  "version": "1.6.2",
+  "version": "1.6.3",
   "description": "JavaScript library for quantity calculation and unit conversion",
   "main": "./src/quantities.js",
   "keywords": [
diff --git a/package.json b/package.json
index 4144d82..f8473f7 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "main": "./src/quantities.js",
   "readmeFilename": "README.md",
   "description": "JavaScript library for quantity calculation and unit conversion",
-  "version": "1.6.2",
+  "version": "1.6.3",
   "homepage": "http://gentooboontoo.github.io/js-quantities/",
   "repository": {
     "type": "git",
diff --git a/src/quantities.js b/src/quantities.js
index 1beb24f..f855d96 100644
--- a/src/quantities.js
+++ b/src/quantities.js
@@ -1959,7 +1959,7 @@ SOFTWARE.
   QtyError.prototype = Object.create(Error.prototype, {constructor: { value: QtyError }});
   Qty.Error = QtyError;
 
-  Qty.version = "1.6.2";
+  Qty.version = "1.6.3";
 
   return Qty;
 }));