diff --git a/snapshot/Dockerfile b/snapshot/Dockerfile
index 50feba2da..cf28aa476 100644
--- a/snapshot/Dockerfile
+++ b/snapshot/Dockerfile
@@ -1,6 +1,6 @@
-FROM alpine:latest
+FROM alpine:3.18.3
 COPY data.tar /
 RUN tar xvf /data.tar -C /
 
-FROM alpine:latest
+FROM alpine:3.18.3
 COPY --from=0 /data/ /data