diff --git a/Dockerfile b/Dockerfile
index 09e2d10a3..db6bb8f10 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM openjdk:8 as builder
+FROM openjdk:18 as builder
 
 WORKDIR /rmf
 COPY . /rmf