diff --git a/build/Dockerfile b/build/Dockerfile
index d81122b..0bd4cef 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -7,7 +7,7 @@ FROM golang:alpine AS builder
 WORKDIR /app
 
 ENV CGO_ENABLED=0
-ENV GOFLAGS="-mod=vendor -buildvcs=true"
+ENV GOFLAGS="-tags=timetzdata -mod=vendor -buildvcs=true"
 
 COPY go.mod go.sum *.go ./
 COPY internal ./internal/
diff --git a/main.go b/main.go
index 62639c9..a7840d3 100644
--- a/main.go
+++ b/main.go
@@ -21,6 +21,7 @@ import (
 	"runtime/pprof"
 	"syscall"
 	"time"
+	_ "time/tzdata"
 
 	"github.com/caarlos0/env/v10"
 	"golang.org/x/text/language"