diff --git a/Dockerfile b/Dockerfile
index f4b919e37..ba89844d8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 ARG APP_INSIGHTS_AGENT_VERSION=3.4.13
-FROM hmctspublic.azurecr.io/base/java:17-distroless
+FROM hmctspublic.azurecr.io/base/java:21-distroless
 
 COPY lib/applicationinsights.json /opt/app/
 COPY build/libs/sscs-bulk-scan.jar /opt/app/