diff --git a/zulu.Dockerfile b/zulu.Dockerfile
index 9106184c..78f82339 100644
--- a/zulu.Dockerfile
+++ b/zulu.Dockerfile
@@ -1,4 +1,4 @@
-FROM azul/zulu-openjdk:21.0.1
+FROM azul/zulu-openjdk:21.0.7
 WORKDIR /core
 COPY . .
 RUN ./gradlew clean build --info --stacktrace