diff --git a/server/Dockerfile b/server/Dockerfile
index 488c2db..4361725 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -1,4 +1,4 @@
-FROM openjdk:11-jdk
+FROM openjdk:18-jdk
 EXPOSE 8080:8080
 RUN mkdir /app
 COPY ./build/install/server/ /app/