diff --git a/pom.xml b/pom.xml
index e974d53..2c034e4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <powsybl-ws-dependencies.version>2.17.0</powsybl-ws-dependencies.version>
+        <powsybl-ws-dependencies.version>2.18.0</powsybl-ws-dependencies.version>
     </properties>
 
     <build>
@@ -102,7 +102,6 @@
         <dependency>
             <groupId>com.powsybl</groupId>
             <artifactId>powsybl-ws-commons</artifactId>
-            <version>1.18.0</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>