diff --git a/Dockerfile b/Dockerfile
index 4cbce7e..f270900 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,13 @@
-FROM alpine AS certs
-RUN apk update && apk add ca-certificates
+FROM alpine AS depend
+RUN apk add --update --no-cache ca-certificates tzdata
 
 FROM busybox:stable-musl
 
 ARG TARGETOS
 ARG TARGETARCH
 
-COPY --from=certs /etc/ssl/certs /etc/ssl/certs
+COPY --from=depend /etc/ssl/certs /etc/ssl/certs
+COPY --from=depend /usr/share/zoneinfo /usr/share/zoneinfo
 COPY ./script/entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh