diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d1f5030..e9d07e4c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # OpenKit Java Changelog
 
-## [Unreleased](https://github.com/Dynatrace/openkit-java/compare/v2.2.0...HEAD)
+## [Unreleased](https://github.com/Dynatrace/openkit-java/compare/v3.0.0...HEAD)
+
+## 3.0.0 [Release date: 2022-12-06]
+[GitHub Releases](https://github.com/Dynatrace/openkit-java/releases/tag/v3.0.0)
 
 ### Added
 - User-Agent header for http requests
diff --git a/docs/example.md b/docs/example.md
index 1edf9ac2..4304e282 100644
--- a/docs/example.md
+++ b/docs/example.md
@@ -36,7 +36,7 @@ customize OpenKit. This includes device specific information like operating syst
 
 | Method Name                           | Description                                                           | Default Value |
 | -------------                         | -------------                                                         | ---------- |
-| `withApplicationVersion`              | sets the application version                                          | `"2.3.0"` |
+| `withApplicationVersion`              | sets the application version                                          | `"3.0.0"` |
 | `withOperatingSystem`                 | sets the operating system name                                        | `"OpenKit 3.0.0"` |
 | `withManufacturer`                    | sets the manufacturer                                                 | `"Dynatrace"` |
 | `withModelID`                         | sets the model id                                                     | `"OpenKitDevice"` |
diff --git a/src/main/java/com/dynatrace/openkit/protocol/ProtocolConstants.java b/src/main/java/com/dynatrace/openkit/protocol/ProtocolConstants.java
index 30278f04..e5b8fe0e 100644
--- a/src/main/java/com/dynatrace/openkit/protocol/ProtocolConstants.java
+++ b/src/main/java/com/dynatrace/openkit/protocol/ProtocolConstants.java
@@ -19,7 +19,7 @@
 public class ProtocolConstants {
 
     // version constants
-    public static final String OPENKIT_VERSION = "8.217.20300";
+    public static final String OPENKIT_VERSION = "8.257.30000";
     public static final int PROTOCOL_VERSION = 3;
     public static final int PLATFORM_TYPE_OPENKIT = 1;
     public static final String AGENT_TECHNOLOGY_TYPE = "okjava";
diff --git a/version.properties b/version.properties
index 3fb10440..317fe995 100644
--- a/version.properties
+++ b/version.properties
@@ -1 +1 @@
-version=3.0.0-SNAPSHOT
\ No newline at end of file
+version=3.0.0
\ No newline at end of file