diff --git a/docs/example.md b/docs/example.md
index 7f470d1b..3e080462 100644
--- a/docs/example.md
+++ b/docs/example.md
@@ -36,8 +36,8 @@ customize OpenKit. This includes device specific information like operating syst
 
 | Method Name                           | Description                                                           | Default Value |
 | -------------                         | -------------                                                         | ---------- |
-| `withApplicationVersion`              | sets the application version                                          | `"3.3.0"` |
-| `withOperatingSystem`                 | sets the operating system name                                        | `"OpenKit 3.3.0"` |
+| `withApplicationVersion`              | sets the application version                                          | `"3.4.0"` |
+| `withOperatingSystem`                 | sets the operating system name                                        | `"OpenKit 3.4.0"` |
 | `withManufacturer`                    | sets the manufacturer                                                 | `"Dynatrace"` |
 | `withModelID`                         | sets the model id                                                     | `"OpenKitDevice"` |
 | `withDataCollectionLevel`             | sets the data collection level                                        | `DataCollectionLevel.USER_BEHAVIOR` |
diff --git a/src/main/java/com/dynatrace/openkit/protocol/ProtocolConstants.java b/src/main/java/com/dynatrace/openkit/protocol/ProtocolConstants.java
index beca44c1..5cde4cbc 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 = "8.297.30300";
+    public static final String OPENKIT_VERSION = "8.297.30400";
     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 9318b7cc..a6e5b0d5 100644
--- a/version.properties
+++ b/version.properties
@@ -1 +1 @@
-version=3.3.0
\ No newline at end of file
+version=3.4.0-SNAPSHOT
\ No newline at end of file