diff --git a/pom.xml b/pom.xml
index c129fa6..895a29f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
-        <powsybl-ws-dependencies.version>2.8.0</powsybl-ws-dependencies.version>
+        <powsybl-ws-dependencies.version>2.9.0</powsybl-ws-dependencies.version>
     </properties>
 
     <build>