diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5010b572c98..6f911729cc1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,10 +15,13 @@
 * **OpenTSDB**: Support nested template variables in tag_values function, closes [4398](https://github.com/grafana/grafana/issues/4398)
 * **Datasource**: Pending data source requests are cancelled before new ones are issues (Graphite & Prometheus), closes [5321](https://github.com/grafana/grafana/issues/5321)
 
-## Breaking changes
+### Breaking changes
 * **Logging** : Changed default logging output format (now structured into message, and key value pairs, with logger key acting as component). You can also no change in config to json log ouput.
 * **Graphite** : The Graph panel no longer have a Graphite PNG option. closes #[5367](https://github.com/grafana/grafana/issues/5367)
 
+### Bug fixes
+* **PNG rendering**: Fixed phantomjs rendering and y-axis label rotation. fixes #[5220](https://github.com/grafana/grafana/issues/5220)
+
 # 3.0.4 Patch release (2016-05-25)
 * **Panel**: Fixed blank dashboard issue when switching to other dashboard while in fullscreen edit mode, fixes [#5163](https://github.com/grafana/grafana/pull/5163)
 * **Templating**: Fixed issue with nested multi select variables and cascading and updating child variable selection state, fixes [#4861](https://github.com/grafana/grafana/pull/4861)
diff --git a/circle.yml b/circle.yml
index 02f9f91e103..ee19b50ee46 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,6 +1,6 @@
 machine:
   node:
-    version: 4.0
+    version: 5.11.1
   environment:
     GOPATH: "/home/ubuntu/.go_workspace"
     ORG_PATH: "github.com/grafana"
diff --git a/package.json b/package.json
index 3e3cd2faeac..9094cdf9172 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "karma-phantomjs-launcher": "1.0.0",
     "load-grunt-tasks": "3.4.0",
     "mocha": "2.3.4",
-    "phantomjs-prebuilt": "^2.1.3",
+    "phantomjs-prebuilt": "^2.1.7",
     "reflect-metadata": "0.1.2",
     "rxjs": "5.0.0-beta.4",
     "sass-lint": "^1.6.0",
diff --git a/tasks/options/postcss.js b/tasks/options/postcss.js
index d55abd416e9..5d77096e644 100644
--- a/tasks/options/postcss.js
+++ b/tasks/options/postcss.js
@@ -11,7 +11,7 @@ module.exports = function(config) {
       },
 
       processors: [
-        require('autoprefixer')({browsers: 'last 2 versions'}), // add vendor prefixes
+        require('autoprefixer')({browsers: 'last 3 versions'}), // add vendor prefixes
       ]
     },
     dist: {