diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a83e554..a3bfd8d1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [1.56.1](https://github.com/basics/vector/compare/v1.56.0...v1.56.1) (2020-08-26)
+
+
+### Bug Fixes
+
+* **playcanvas:** fix mat3 mat4 via duck typing ([f2a8b49](https://github.com/basics/vector/commit/f2a8b49f4bd137d5571ddd80133e635d2f9abb7c))
+
 # [1.56.0](https://github.com/basics/vector/compare/v1.55.1...v1.56.0) (2020-08-26)
 
 
diff --git a/package-lock.json b/package-lock.json
index 9bdbc166..b2c1469e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@js-basics/vector",
-  "version": "1.56.0",
+  "version": "1.56.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index e0ac9e39..4099f889 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@js-basics/vector",
-  "version": "1.56.0",
+  "version": "1.56.1",
   "description": "A 3D Vector lib including arithmetic operator overloading (+ - * / % **).",
   "main": "./index.js",
   "module": "./build/esm/index.js",