diff --git a/History.md b/History.md
index f2088196..6adbf3cf 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,17 @@
 
+2.0.0 / 2020-12-11
+==================
+
+### Features
+
+* add an extraHeaders option ([dfe65e3](https://github.com/socketio/engine.io-client-java/commit/dfe65e3b3b5eab4c3fddb9dfbf53d684fe461043))
+* add support for Engine.IO v4 ([41f89a3](https://github.com/socketio/engine.io-client-java/commit/41f89a38b7594f54ee9906bc91051874a60b690d))
+
+### Bug Fixes
+
+* check the type of the initial packet ([2b5dfb9](https://github.com/socketio/engine.io-client-java/commit/2b5dfb99f8f865362ddc0a17f52e8b70269d7572))
+
+
 1.0.1 / 2020-12-10
 ==================
 
diff --git a/README.md b/README.md
index 27957ed9..643fbdc4 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ See also: [Socket.IO-client Java](https://github.com/socketio/socket.io-client-j
 | -------------- | ---------------- | ---------------- |
 | 0.9.x  | 1.x | 1.x |
 | 1.x    | 3.x | 2.x |
-| WIP    | 4.x | 3.x |
+| 2.x    | 4.x | 3.x |
 
 ## Installation
 The latest artifact is available on Maven Central.
@@ -35,7 +35,7 @@ Add the following dependency to your `pom.xml`.
   <dependency>
     <groupId>io.socket</groupId>
     <artifactId>engine.io-client</artifactId>
-    <version>1.0.1</version>
+    <version>2.0.0</version>
   </dependency>
 </dependencies>
 ```
@@ -44,7 +44,7 @@ Add the following dependency to your `pom.xml`.
 Add it as a gradle dependency for Android Studio, in `build.gradle`:
 
 ```groovy
-compile ('io.socket:engine.io-client:1.0.1') {
+compile ('io.socket:engine.io-client:2.0.0') {
   // excluding org.json which is provided by Android
   exclude group: 'org.json', module: 'json'
 }
diff --git a/pom.xml b/pom.xml
index 863583b7..965b93ee 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>io.socket</groupId>
   <artifactId>engine.io-client</artifactId>
-  <version>1.0.2-SNAPSHOT</version>
+  <version>2.0.0</version>
   <packaging>jar</packaging>
   <name>engine.io-client</name>
   <description>Engine.IO Client Library for Java</description>
@@ -30,7 +30,7 @@
     <url>https://github.com/socketio/engine.io-client-java</url>
     <connection>scm:git:https://github.com/socketio/engine.io-client-java.git</connection>
     <developerConnection>scm:git:https://github.com/socketio/engine.io-client-java.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>engine.io-client-2.0.0</tag>
   </scm>
 
   <developers>
diff --git a/src/site/markdown/installation.md b/src/site/markdown/installation.md
index 7b3cabb1..8b6f845a 100644
--- a/src/site/markdown/installation.md
+++ b/src/site/markdown/installation.md
@@ -4,7 +4,7 @@
 | -------------- | ---------------- | ---------------- |
 | 0.9.x  | 1.x | 1.x |
 | 1.x    | 3.x | 2.x |
-| WIP    | 4.x | 3.x |
+| 2.x    | 4.x | 3.x |
 
 ## Installation
 The latest artifact is available on Maven Central.
@@ -17,7 +17,7 @@ Add the following dependency to your `pom.xml`.
   <dependency>
     <groupId>io.socket</groupId>
     <artifactId>engine.io-client</artifactId>
-    <version>1.0.1</version>
+    <version>2.0.0</version>
   </dependency>
 </dependencies>
 ```
@@ -26,7 +26,7 @@ Add the following dependency to your `pom.xml`.
 Add it as a gradle dependency for Android Studio, in `build.gradle`:
 
 ```groovy
-compile ('io.socket:engine.io-client:1.0.1') {
+compile ('io.socket:engine.io-client:2.0.0') {
   // excluding org.json which is provided by Android
   exclude group: 'org.json', module: 'json'
 }