diff --git a/integration-tests/docker/environment-configs/router b/integration-tests/docker/environment-configs/router
index 4f52079cb56..014297133f9 100644
--- a/integration-tests/docker/environment-configs/router
+++ b/integration-tests/docker/environment-configs/router
@@ -21,7 +21,7 @@ DRUID_SERVICE=router
 DRUID_LOG_PATH=/shared/logs/router.log
 
 # JAVA OPTS
-SERVICE_DRUID_JAVA_OPTS=-server -Xmx64m -Xms64m -XX:+UseG1GC -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5004
+SERVICE_DRUID_JAVA_OPTS=-server -Xmx128m -Xms64m -XX:+UseG1GC -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5004
 
 # Druid configs
 druid_host=druid-router