diff --git a/integration/admin-client/src/main/java/org/keycloak/admin/client/Keycloak.java b/integration/admin-client/src/main/java/org/keycloak/admin/client/Keycloak.java
index 5e30a66..f86170e 100755
--- a/integration/admin-client/src/main/java/org/keycloak/admin/client/Keycloak.java
+++ b/integration/admin-client/src/main/java/org/keycloak/admin/client/Keycloak.java
@@ -46,7 +46,7 @@ public class Keycloak {
Keycloak(String serverUrl, String realm, String username, String password, String clientId, String clientSecret, String grantType, ResteasyClient resteasyClient) {
config = new Config(serverUrl, realm, username, password, clientId, clientSecret, grantType);
- client = resteasyClient != null ? resteasyClient : new ResteasyClientBuilder().build();
+ client = resteasyClient != null ? resteasyClient : new ResteasyClientBuilder().connectionPoolSize(10).build();
tokenManager = new TokenManager(config, client);
