diff --git a/src/main/java/com/github/hanleyt/JerseyExtension.java b/src/main/java/com/github/hanleyt/JerseyExtension.java
index b6617be..3347a59 100644
--- a/src/main/java/com/github/hanleyt/JerseyExtension.java
+++ b/src/main/java/com/github/hanleyt/JerseyExtension.java
@@ -3,6 +3,7 @@
 import org.glassfish.jersey.client.ClientConfig;
 import org.glassfish.jersey.test.DeploymentContext;
 import org.glassfish.jersey.test.JerseyTest;
+import org.glassfish.jersey.test.TestProperties;
 import org.glassfish.jersey.test.spi.TestContainerException;
 import org.glassfish.jersey.test.spi.TestContainerFactory;
 import org.junit.jupiter.api.extension.AfterEachCallback;
@@ -69,8 +70,10 @@ public void beforeEach(ExtensionContext context) throws Exception {
 
     private JerseyTest initJerseyTest(ExtensionContext context) throws Exception {
         JerseyTest jerseyTest = new JerseyTest() {
+
             @Override
             protected DeploymentContext configureDeployment() {
+                forceSet(TestProperties.CONTAINER_PORT, "0");
                 return deploymentContextProvider.apply(context);
             }