diff --git a/example-service/Dockerfile b/example-service/Dockerfile
index 58d6d52..9351784 100644
--- a/example-service/Dockerfile
+++ b/example-service/Dockerfile
@@ -1,4 +1,4 @@
-FROM amazoncorretto:20@sha256:796b6cf8e4244a422261b6d59e0cfb80e5ba55a25e8484d69f4f962710b9e855
+FROM amazoncorretto:21@sha256:582fbf5a116eca7e2f9d1bc0e1888e121eebb980e929270c28f8e6a33fea2d6f
 ARG APP_NAME
 ARG APP_VERSION
 ENV VERSION=$APP_VERSION