diff --git a/Dockerfile b/Dockerfile
index a41d56a3..b7ed83a0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM amazoncorretto:17.0.8
+FROM amazoncorretto:21
 WORKDIR /
 COPY manager manager
 USER 65532:65532