diff --git a/core/pom.xml b/core/pom.xml
index d297ea2e..83e226bd 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -125,7 +125,6 @@
         <dependency>
             <groupId>wsdl4j</groupId>
             <artifactId>wsdl4j</artifactId>
-            <optional>true</optional>
         </dependency>
         <!-- Java EE dependencies -->
         <dependency>