diff --git a/README.md b/README.md
index 367bf54..a188060 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ and add it to your project.
 
 ```sh
 dependencies {
-  implementation 'com.starkbank:sdk:0.3.0'
+  implementation 'com.starkbank:sdk:0.4.0'
 }
 ```
 
@@ -60,7 +60,7 @@ dependencies {
 <dependency>
   <groupId>com.starkbank</groupId>
   <artifactId>sdk</artifactId>
-  <version>0.3.0</version>
+  <version>0.4.0</version>
 </dependency>
 ```
 
diff --git a/build.gradle b/build.gradle
index 26e9a3a..982eded 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ plugins {
 }
 
 group 'com.starkbank'
-version '0.3.0'
+version '0.4.0'
 
 sourceCompatibility = 1.8
 
diff --git a/src/main/java/com/starkbank/utils/Response.java b/src/main/java/com/starkbank/utils/Response.java
index 75610b6..eb88486 100644
--- a/src/main/java/com/starkbank/utils/Response.java
+++ b/src/main/java/com/starkbank/utils/Response.java
@@ -123,7 +123,7 @@ private static String host(Project user, String version) {
     }
 
     private static String getUserAgent() {
-        String javaUserAgent = "Java-" + System.getProperty("java.version") + "-SDK-0.3.0";
+        String javaUserAgent = "Java-" + System.getProperty("java.version") + "-SDK-0.4.0";
         return (userAgentOverride == null) ? javaUserAgent : userAgentOverride;
     }
 }