diff --git a/src/test/java/io/kokuwa/keycloak/metrics/junit/KeycloakClient.java b/src/test/java/io/kokuwa/keycloak/metrics/junit/KeycloakClient.java
index 6d48781..098516d 100644
--- a/src/test/java/io/kokuwa/keycloak/metrics/junit/KeycloakClient.java
+++ b/src/test/java/io/kokuwa/keycloak/metrics/junit/KeycloakClient.java
@@ -6,9 +6,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 
-import javax.ws.rs.NotAuthorizedException;
-import javax.ws.rs.core.MultivaluedHashMap;
-
 import org.keycloak.OAuth2Constants;
 import org.keycloak.admin.client.Keycloak;
 import org.keycloak.admin.client.token.TokenService;
@@ -17,6 +14,9 @@ import org.keycloak.representations.idm.CredentialRepresentation;
 import org.keycloak.representations.idm.RealmRepresentation;
 import org.keycloak.representations.idm.UserRepresentation;
 
+import jakarta.ws.rs.NotAuthorizedException;
+import jakarta.ws.rs.core.MultivaluedHashMap;
+
 /**
  * Client for keycloak.
  *
diff --git a/src/test/java/io/kokuwa/keycloak/metrics/junit/KeycloakExtension.java b/src/test/java/io/kokuwa/keycloak/metrics/junit/KeycloakExtension.java
index b5d7775..729bd9b 100644
--- a/src/test/java/io/kokuwa/keycloak/metrics/junit/KeycloakExtension.java
+++ b/src/test/java/io/kokuwa/keycloak/metrics/junit/KeycloakExtension.java
@@ -7,8 +7,6 @@ import java.time.Duration;
 import java.util.Properties;
 import java.util.Set;
 
-import javax.ws.rs.client.ClientBuilder;
-
 import org.junit.jupiter.api.extension.BeforeAllCallback;
 import org.junit.jupiter.api.extension.ExtensionContext;
 import org.junit.jupiter.api.extension.ParameterContext;
@@ -19,6 +17,8 @@ import org.testcontainers.containers.GenericContainer;
 import org.testcontainers.containers.wait.strategy.Wait;
 import org.testcontainers.utility.MountableFile;
 
+import jakarta.ws.rs.client.ClientBuilder;
+
 /**
  * JUnit extension to start keycloak.
  *
diff --git a/src/test/java/io/kokuwa/keycloak/metrics/junit/PrometheusClient.java b/src/test/java/io/kokuwa/keycloak/metrics/junit/PrometheusClient.java
index 0ce08bd..94f17e8 100644
--- a/src/test/java/io/kokuwa/keycloak/metrics/junit/PrometheusClient.java
+++ b/src/test/java/io/kokuwa/keycloak/metrics/junit/PrometheusClient.java
@@ -1,9 +1,9 @@
 package io.kokuwa.keycloak.metrics.junit;
 
-import javax.ws.rs.Consumes;
-import javax.ws.rs.GET;
-import javax.ws.rs.Path;
-import javax.ws.rs.core.MediaType;
+import jakarta.ws.rs.Consumes;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.core.MediaType;
 
 /**
  * JAX-RS client for prometheus endpoint.