diff --git a/Dockerfile b/Dockerfile
index adc1c9d..8dd7f2b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,8 @@ ADD go.mod .
 COPY . .
 RUN go build 
 FROM alpine
+RUN apk add --no-cache tzdata
+ENV TZ=Europe/Zurich
 WORKDIR /build
 COPY --from=builder /build/wo-bisch-lorahandler /build/wo-bisch-lorahandler
 CMD ["./wo-bisch-lorahandler"]