diff --git a/docker/oss/Dockerfile b/docker/oss/Dockerfile
index 744daf6..d23ceb9 100644
--- a/docker/oss/Dockerfile
+++ b/docker/oss/Dockerfile
@@ -75,7 +75,7 @@ COPY config ${GRAYLOG_HOME}/data/config
 # -------------------------------------------------------------------------------------------------
 #
 # final layer
-FROM eclipse-temurin:17-jre-jammy
+FROM eclipse-temurin:21-jre-jammy
 
 ARG VCS_REF
 ARG GRAYLOG_VERSION