diff --git a/bulletin-board-server/build.gradle b/bulletin-board-server/build.gradle
index e9f3a90..3b3a082 100644
--- a/bulletin-board-server/build.gradle
+++ b/bulletin-board-server/build.gradle
@@ -73,8 +73,8 @@ task integrationTest(type: Test) {
 gretty {
     httpPort = 8081
     contextPath = '/'
-    servletContainer = 'jetty9'
     integrationTestTask = 'integrationTest'
+    loggingLevel = 'TRACE'
 }