diff --git a/.jazzy.yaml b/.jazzy.yaml
index af3dd6b..f20e1af 100644
--- a/.jazzy.yaml
+++ b/.jazzy.yaml
@@ -1,5 +1,5 @@
 module: HTMLKit
-module_version: 3.0.0
+module_version: 3.1.0
 author: Iskandar Abudiab 
 author_url: https://twitter.com/iabudiab
 github_url: https://github.com/iabudiab/HTMLKit
@@ -33,6 +33,7 @@ custom_categories:
     - HTMLTemplate
     - HTMLDOMTokenList
     - HTMLRange
+    - HTMLSerializer
 
   - name: Iteration & Filtering
     children:
@@ -41,7 +42,9 @@ custom_categories:
     - HTMLNodeFilterShowOptions
     - HTMLNodeFilterValue
     - HTMLNodeFilterBlock
+    - HTMLNodeVisitor
     - HTMLSelectorNodeFilter
+    - HTMLTreeVisitor
     - HTMLTreeWalker
 
   - name: Structures
diff --git a/CHANGELOG.md b/CHANGELOG.md
index aba75ca..9db55bd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Change Log
 
+## [3.1.0](https://github.com/iabudiab/HTMLKit/releases/tag/3.1.0)
+
+Release on 2019.08.20
+
+### Added
+
+- `HTMLTreeVisitor` that walks the DOM in tree order
+- New HTML serialization implementation based on visitor pattern
+
+### Fixes
+
+- HTML serialization for deeply nested DOM trees (issue #33)
+- Occasional Internal Consistency exceptions when deallocating node iterator (issue #36)
+
+
 ## [3.0.0](https://github.com/iabudiab/HTMLKit/releases/tag/3.0.0) 
 
 Released on 2019.03.28
diff --git a/HTMLKit.podspec b/HTMLKit.podspec
index bff8eb7..0dc5a3b 100644
--- a/HTMLKit.podspec
+++ b/HTMLKit.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name               = "HTMLKit"
-  s.version            = "3.0.0"
+  s.version            = "3.1.0"
   s.summary            = "HTMLKit, an Objective-C framework for your everyday HTML needs."
   s.license            = "MIT"
   s.homepage           = "https://github.com/iabudiab/HTMLKit"
diff --git a/README.md b/README.md
index b63a634..bb2a1f7 100644
--- a/README.md
+++ b/README.md
@@ -77,7 +77,7 @@ To add `HTMLKit` as a dependency into your project using CocoaPods just add the
 
 ```ruby
 target 'MyTarget' do
-  pod 'HTMLKit', '~> 2.1'
+  pod 'HTMLKit', '~> 3.1'
 end
 ```
 
@@ -94,7 +94,7 @@ $ pod install
 Add `HTMLKit` to your `Package.swift` dependecies:
 
 ```swift
-.Package(url: "https://github.com/iabudiab/HTMLKit", majorVersion: 2)
+.Package(url: "https://github.com/iabudiab/HTMLKit", majorVersion: 3)
 ```
 
 Then run:
diff --git a/Sources/HTMLKit-Info.plist b/Sources/HTMLKit-Info.plist
index ea8ab7f..520a097 100644
--- a/Sources/HTMLKit-Info.plist
+++ b/Sources/HTMLKit-Info.plist
@@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>3.0.0</string>
+	<string>3.1.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>