diff --git a/Dockerfile b/Dockerfile
index 0229ac1..2e73659 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$TARGETPLATFORM azul/zulu-openjdk:21-jre
+FROM --platform=$TARGETPLATFORM azul/zulu-openjdk:21.0.4-jre
 
 RUN mkdir /app
 WORKDIR /app