diff --git a/.travis.yml b/.travis.yml
index 265722d..91e7c6f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ language: node_js
 node_js:
   - "stable"
   - "lts/*"
-  - 6
+  - 10
 
 after_success:
   - npm run coverage
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0f98379..e4bfdfc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [0.12.1](https://github.com/posthtml/posthtml/compare/v0.12.0...v0.12.1) (2020-04-14)
+
 ## [0.12.0](https://github.com/posthtml/posthtml/compare/v0.11.6...v0.12.0) (2019-10-11)
 
 
diff --git a/docs/api.md b/docs/api.md
index 8a9ace4..93d494d 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -32,7 +32,7 @@ export const walk = (tree) => {
     let classes = node.attrs && node.attrs.class.split(' ') || []
 
     if (classes.includes(className)) return cb(node)
-    return node
+      return node
   })
 }
 ```
diff --git a/package.json b/package.json
index bd32f94..3f7e852 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "posthtml",
-  "version": "0.12.0",
+  "version": "0.12.1",
   "description": "HTML/XML processor",
   "keywords": [
     "html",
@@ -20,22 +20,22 @@
     "lib"
   ],
   "engines": {
-    "node": ">=6.0.0"
+    "node": ">=10.0.0"
   },
   "dependencies": {
-    "posthtml-parser": "^0.4.1",
-    "posthtml-render": "^1.1.5"
+    "posthtml-parser": "^0.4.2",
+    "posthtml-render": "^1.2.1"
   },
   "devDependencies": {
     "chai": "^4.0.0",
     "chai-as-promised": "^7.1.1",
     "chai-subset": "^1.6.0",
-    "coveralls": "^3.0.6",
-    "jsdoc-to-markdown": "^5.0.0",
-    "mocha": "^6.2.0",
-    "nyc": "^14.1.1",
-    "standard": "^14.1.0",
-    "standard-version": "^7.0.0"
+    "coveralls": "^3.0.11",
+    "jsdoc-to-markdown": "^5.0.3",
+    "mocha": "^7.1.1",
+    "nyc": "^15.0.1",
+    "standard": "^14.3.3",
+    "standard-version": "^7.1.0"
   },
   "scripts": {
     "lint": "standard --env mocha",