diff --git a/README.md b/README.md
index a90dee5..1def776 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# ![OmegaNum.js](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/OmegaNumJS.png) ![0](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/0.png) ![.](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/dot.png) ![5](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/5.png) ![.](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/dot.png) ![6](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/6.png)
+# ![OmegaNum.js](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/OmegaNumJS.png) ![0](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/0.png) ![.](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/dot.png) ![5](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/5.png) ![.](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/dot.png) ![7](https://raw.githubusercontent.com/Naruyoko/OmegaNum.js/non-code/7.png)
 [![NPM](https://img.shields.io/npm/v/omega_num.js.svg)](https://www.npmjs.com/package/omega_num.js)
 A huge number library holding up to 10{1000}9e15.
 
diff --git a/changelog.md b/changelog.md
index 2ad0eff..8969e8d 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+# 0.5.7 - 2022/08/15
+* Fixed `a{n}b` when `10{n}10{n}MSI<a<=10{n+1}MSI` and `MSI<=b<10{n}10{n}a` ([ExpantaNum.js#20](https://github.com/Naruyoko/ExpantaNum.js/issues/20)).
+* Compacted factorials LUT, reducing un-minified file size.
+
 # 0.5.6 - 2020/08/19
 * Fixed arithmetic above MSI being imprecise.
 
diff --git a/package.json b/package.json
index 295abb2..5be8ee6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "omega_num.js",
-  "version": "0.5.6",
+  "version": "0.5.7",
   "description": "A JavaScript library that handles arithmetic for numbers as large as 10{1000}9e15.",
   "main": "OmegaNum.js",
   "scripts": {