diff --git a/Dockerfile b/Dockerfile
index 6e738ef2e..184ba733f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM eclipse-temurin:21-jdk
 
 COPY nb5/target/nb5.jar nb5.jar
-ENTRYPOINT ["java","-jar", "nb5.jar"]
+ENTRYPOINT ["java","--enable-preview", "-jar", "nb5.jar"]
 
 RUN ln -s /bin/bash /bin/ash
 RUN ln -s nb5.jar nb.jar