diff --git a/src/deploy/Dockerfile b/src/deploy/Dockerfile
index 6bd8c77..e8416ad 100644
--- a/src/deploy/Dockerfile
+++ b/src/deploy/Dockerfile
@@ -1,4 +1,4 @@
-FROM openjdk:12
+FROM openjdk:18
 RUN mkdir aitrainer_server
 RUN mkdir aitrainer_server/data
 RUN mkdir aitrainer_server/data/db