diff --git a/pom.xml b/pom.xml
index dfc09d0..0cd8a43 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
-        <powsybl-ws-dependencies.version>2.5.0</powsybl-ws-dependencies.version>
+        <powsybl-ws-dependencies.version>2.6.0</powsybl-ws-dependencies.version>
     </properties>
 
     <build>
diff --git a/src/main/java/com/powsybl/sld/server/SingleLineDiagramApplication.java b/src/main/java/com/powsybl/sld/server/SingleLineDiagramApplication.java
index 550f114..2e027fb 100644
--- a/src/main/java/com/powsybl/sld/server/SingleLineDiagramApplication.java
+++ b/src/main/java/com/powsybl/sld/server/SingleLineDiagramApplication.java
@@ -6,7 +6,6 @@
  */
 package com.powsybl.sld.server;
 
-import com.powsybl.ws.commons.Utils;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
@@ -18,7 +17,6 @@
 public class SingleLineDiagramApplication {
 
     public static void main(String[] args) {
-        Utils.initProperties();
         SpringApplication.run(SingleLineDiagramApplication.class, args);
     }
 }