diff --git a/pom.xml b/pom.xml
index 2bd1d2c2..84801ea4 100755
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.unzer.payment</groupId>
     <artifactId>java-sdk</artifactId>
-    <version>5.4.0</version>
+    <version>5.5.0-dev-SNAPSHOT</version>
     <name>Unzer Java SDK</name>
     <description>Unzer SDK provides an easy way to use Unzer Payment API.</description>
     <url>https://docs.unzer.com/</url>
diff --git a/src/main/java/com/unzer/payment/communication/api/ApiConfigs.java b/src/main/java/com/unzer/payment/communication/api/ApiConfigs.java
index 2b1134a5..075ac867 100644
--- a/src/main/java/com/unzer/payment/communication/api/ApiConfigs.java
+++ b/src/main/java/com/unzer/payment/communication/api/ApiConfigs.java
@@ -2,7 +2,7 @@
 
 public class ApiConfigs {
 
-    public static final ApiConfig PAYMENT_API = new ApiConfig("https://api.unzer.com", "https://sbx-api.unzer.com");
+    public static final ApiConfig PAYMENT_API = new ApiConfig("https://api.unzer.com", "https://dev-api.unzer.com");
     public static final ApiConfig TOKEN_SERVICE_API = new ApiConfig("https://token.upcgw.com", "https://token.test.upcgw.com");
     public static final ApiConfig PAYPAGE_API = new ApiConfig("https://paypage.unzer.com", "https://paypage.test.unzer.io", ApiConfig.AuthMethod.BEARER);
 }