diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c4aa20..ebd477d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file. Dates are d
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+#### [v1.5.0](https://github.com/philipbordallo/postcss-stack/compare/v1.4.0...v1.5.0)
+
+> 13 December 2018
+
+- Add error message if stack hasn't been defined [`d8efd5f`](https://github.com/philipbordallo/postcss-stack/commit/d8efd5fb1135468e6867cb2f3d7cca75a88748aa)
+
 #### [v1.4.0](https://github.com/philipbordallo/postcss-stack/compare/v1.3.0...v1.4.0)
 
 > 30 September 2018
diff --git a/package-lock.json b/package-lock.json
index c97030b..9864412 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "postcss-stack",
-  "version": "1.4.0",
+  "version": "1.5.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 619469f..0eb5e8d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "postcss-stack",
-  "version": "1.4.0",
+  "version": "1.5.0",
   "description": "A better way to manage z-indexes",
   "author": "Philip Bordallo",
   "license": "MIT",