diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f8840a..3b74693 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [5.1.1](https://github.com/typographist/postcss/compare/v5.1.0...v5.1.1) (2019-11-12)
+
+
+### Bug Fixes
+
+* fix function "calcMaxWidth" ([5d80431](https://github.com/typographist/postcss/commit/5d804318fb1fdd25d9852faf5458002c3847d6dd))
+
 # [5.1.0](https://github.com/typographist/postcss/compare/v5.0.4...v5.1.0) (2019-11-12)
 
 
diff --git a/package.json b/package.json
index b9759ff..cf4c43c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@typographist/postcss",
-  "version": "5.1.0",
+  "version": "5.1.1",
   "description": "Toolkit for the rapid construction of interfaces with high quality typography.",
   "main": "index.js",
   "scripts": {