diff --git a/Dockerfile b/Dockerfile
index bb3d7da..4ec2f1a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ WORKDIR /build
 COPY *.go .
 COPY go.mod .
 
-RUN go build -ldflags "-s -w" -o /tmp/rss
+RUN go build -tags timetzdata -ldflags "-s -w" -o /tmp/rss
 
 FROM alpine:3.20 AS base