diff --git a/Dockerfile b/Dockerfile
index 6b7ad37..029e1ca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Stage 1: Build
 FROM golang:1.22-alpine AS builder
 WORKDIR /app
-COPY go.mod ./
+COPY go.mod go.sum ./
 RUN go mod download
 COPY . .
 RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /gitea-mobile ./cmd/server
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..e69de29