diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4331485c..151942bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 2.1.9
+
+* Upgrade to Babel 5.1, fix zn issue with `Symbol`  ([#396](https://github.com/SassDoc/sassdoc/issues/396))
+
 ## 2.1.8
 
 * Upgrade to Babel 5.0 ([#394](https://github.com/SassDoc/sassdoc/pull/394))
diff --git a/package.json b/package.json
index 490215bc..16db2246 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
       "url": "https://twitter.com/pascalduez"
     }
   ],
-  "version": "2.1.8",
+  "version": "2.1.9",
   "license": {
     "type": "MIT",
     "url": "http://opensource.org/licenses/MIT"
@@ -78,7 +78,7 @@
     "README.md"
   ],
   "dependencies": {
-    "babel-runtime": "5.0.*",
+    "babel-runtime": "5.1.*",
     "chalk": "^1.0.0",
     "concat-stream": "^1.4.7",
     "docopt": "^0.6.1",
@@ -101,7 +101,7 @@
     "vinyl-source-stream": "^1.0.0"
   },
   "devDependencies": {
-    "babel": "5.0.*",
+    "babel": "5.1.*",
     "babel-eslint": "^2.0.2",
     "coveralls": "^2.11.2",
     "dateformat": "^1.0.11",
diff --git a/src/errors.js b/src/errors.js
index 4326c534..a4a277e7 100644
--- a/src/errors.js
+++ b/src/errors.js
@@ -12,6 +12,7 @@ export class SassDocError extends Error {
 export class Warning extends SassDocError {
   constructor(message) {
     super(message);
+    this.message = message; // rm when native class support.
   }
 
   get name() {