diff --git a/CHANGELOG.md b/CHANGELOG.md
index e79ed93e..e2819828 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,19 @@
 # Changelog
+6.5.0 - 2023-01-18
+--------------------
+Added missing assertions on integrations tests
+
+Split long unit tests methods in more smaller ones
+
+Updated package names to follow Java conventions
+
+Updated all resources to make sure field declarations are on top of constructors
+
+Updated method names to camelcase to follow Java conventions
+
+Updated contributor's guide 
+
+Fixed warnings from SonarCloud and several improvements to improve code quality
 
 6.4.1 - 2022-12-21
 --------------------
diff --git a/README.md b/README.md
index 14635295..01fa242f 100644
--- a/README.md
+++ b/README.md
@@ -14,12 +14,12 @@ This library requires Java 1.7+ and the [Gson library](https://github.com/google
 <dependency>
   <groupId>com.amadeus</groupId>
   <artifactId>amadeus-java</artifactId>
-  <version>6.4.1</version>
+  <version>6.5.0</version>
 </dependency>
 ```
 #### Gradle
 ```js
-compile "com.amadeus:amadeus-java:6.4.1"
+compile "com.amadeus:amadeus-java:6.5.0"
 ```
 
 ## Getting Started
diff --git a/gradle.properties b/gradle.properties
index 1cf61145..a154dfce 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 GROUP=com.amadeus
-VERSION_NAME=6.4.1
+VERSION_NAME=6.5.0
 
 POM_URL=https://github.com/amadeus4dev/amadeus-java
 POM_SCM_URL=git@github.com:amadeus4dev/amadeus-java.git
diff --git a/src/main/java/com/amadeus/Amadeus.java b/src/main/java/com/amadeus/Amadeus.java
index 65a592b7..734f02e0 100644
--- a/src/main/java/com/amadeus/Amadeus.java
+++ b/src/main/java/com/amadeus/Amadeus.java
@@ -25,7 +25,7 @@ public class Amadeus extends HTTPClient {
   /**
    * The API version.
    */
-  public static final String VERSION = "6.4.1";
+  public static final String VERSION = "6.5.0";
 
   /**
    * <p>
diff --git a/src/test/java/com/amadeus/AmadeusTest.java b/src/test/java/com/amadeus/AmadeusTest.java
index 5d9e0b5b..3594a415 100644
--- a/src/test/java/com/amadeus/AmadeusTest.java
+++ b/src/test/java/com/amadeus/AmadeusTest.java
@@ -62,7 +62,7 @@ public void testBuilderWithInvalidEnvironment() {
   }
 
   @Test public void testVersion() {
-    assertEquals(Amadeus.VERSION, "6.4.1", "should have a version number");
+    assertEquals(Amadeus.VERSION, "6.5.0", "should have a version number");
   }
 
 }