diff --git a/Dockerfile b/Dockerfile
index f25bcc13..6968b448 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,8 @@ FROM golang:1.23-alpine AS builder
 
 WORKDIR /app
 
+RUN apk add --no-cache tzdata
+
 COPY ../. /app/
 
 RUN rm -rf /app/ui/dist
@@ -28,6 +30,9 @@ FROM alpine:latest
 
 WORKDIR /app
 
+RUN apk add --no-cache tzdata
+
 COPY --from=builder /app/certimate .
+COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
 
 ENTRYPOINT ["./certimate", "serve", "--http", "0.0.0.0:8090"]
\ No newline at end of file