diff --git a/.travis.yml b/.travis.yml
index 1e16f36..7f62d97 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,15 +1,14 @@
 language: java
 
 jdk:
-  - oraclejdk9
+  - openjdk10
 
 services:
   - docker
 
-
 before_install:
   - docker pull jboss/keycloak:4.5.0.Final
-  - docker run -d -e KEYCLOAK_USER=admin -e KEYCLOAK_PASSWORD=admin -e KEYCLOAK_IMPORT=/tmp/elastic-realm-export.json -v "$(TRAVIS_BUILD_DIR)"/src/test/resources/config/elastic-realm-export.json:/tmp/elastic-realm-export.json jboss/keycloak:4.5.0.Final
+  - docker run -d -e KEYCLOAK_USER=admin -e KEYCLOAK_PASSWORD=admin -e KEYCLOAK_IMPORT=/tmp/elastic-realm-export.json -v "${TRAVIS_BUILD_DIR}"/src/test/resources/config/elastic-realm-export.json:/tmp/elastic-realm-export.json -p 8080:8080 jboss/keycloak
 
 install:
   - ./gradlew assemble
diff --git a/src/test/java/org/elasticsearch/plugin/keycloak/KeycloakUtils.java b/src/test/java/org/elasticsearch/plugin/keycloak/KeycloakUtils.java
index da56db9..950e0f6 100644
--- a/src/test/java/org/elasticsearch/plugin/keycloak/KeycloakUtils.java
+++ b/src/test/java/org/elasticsearch/plugin/keycloak/KeycloakUtils.java
@@ -36,10 +36,11 @@
 public class KeycloakUtils {
 
     private static HttpClient httpClient = HttpClients.createDefault();
+    private static final String KEYCLOAK_BASE_URL="http://localhost:8080";
 
     public static void addUser(String username,String password) throws IOException {
         String adminToken = getKeycloakAdminToken("admin","admin");
-        HttpPost httpPost = new HttpPost("http://localhost:8080/auth/admin/realms/elastic/users");
+        HttpPost httpPost = new HttpPost(KEYCLOAK_BASE_URL.concat("/auth/admin/realms/elastic/users"));
         httpPost.setHeader(HttpHeaders.AUTHORIZATION,"Bearer "+adminToken);
 
         StringBuilder request = new StringBuilder();
@@ -57,7 +58,7 @@ public static void addUser(String username,String password) throws IOException {
 
 
     private static String getKeycloakAdminToken(String username,String password){
-        HttpPost httpPost = new HttpPost("http://localhost:8080/auth/realms/master/protocol/openid-connect/token");
+        HttpPost httpPost = new HttpPost(KEYCLOAK_BASE_URL.concat("/auth/realms/master/protocol/openid-connect/token"));
         List<NameValuePair> params = new ArrayList<>();
         params.add(new BasicNameValuePair("grant_type", "password"));
         params.add(new BasicNameValuePair("username", username));
@@ -75,7 +76,7 @@ private static String getKeycloakAdminToken(String username,String password){
     }
 
     public static String getKeycloakUserToken(String username,String password){
-        HttpPost httpPost = new HttpPost("http://localhost:8080/auth/realms/elastic/protocol/openid-connect/token");
+        HttpPost httpPost = new HttpPost(KEYCLOAK_BASE_URL.concat("/auth/realms/elastic/protocol/openid-connect/token"));
         List<NameValuePair> params = new ArrayList<>();
         params.add(new BasicNameValuePair("grant_type", "password"));
         params.add(new BasicNameValuePair("username", username));