diff --git a/server/admin/Dockerfile b/server/admin/Dockerfile
index f5862d5c..99742db2 100644
--- a/server/admin/Dockerfile
+++ b/server/admin/Dockerfile
@@ -30,7 +30,7 @@ ENV TZ=UTC
 
 WORKDIR /app
 
-RUN apk add --no-cache ca-certificates wget && adduser -D -g '' appuser
+RUN apk add --no-cache ca-certificates wget tzdata && adduser -D -g '' appuser
 
 COPY --from=builder /out/server /app/server
 COPY server/admin/configs/config.yaml /app/config.yaml