diff --git a/sync/Dockerfile b/sync/Dockerfile
index c3762ba..7e0c423 100644
--- a/sync/Dockerfile
+++ b/sync/Dockerfile
@@ -1,6 +1,14 @@
+FROM golang:1.21-alpine AS builder
+
+WORKDIR /src
+
+COPY sync .
+RUN go mod download
+RUN go build -o sync
+
 FROM busybox:1.36
 
-COPY sync/bin/* .
+COPY --from=builder /src/sync .
 COPY flags/* .
 COPY scripts/* .
 LABEL org.opencontainers.image.source = "https://github.com/open-feature/test-harness"