diff --git a/tutorials/distributed-calculator/go/Dockerfile b/tutorials/distributed-calculator/go/Dockerfile
index 3e3736772..feed071cd 100644
--- a/tutorials/distributed-calculator/go/Dockerfile
+++ b/tutorials/distributed-calculator/go/Dockerfile
@@ -1,11 +1,10 @@
 #first stage - builder
-FROM golang:1.15-buster as builder
+FROM golang:1.22-bookworm as builder
 WORKDIR /dir
-COPY app.go .
-RUN go get -d -v
+COPY app.go go.mod go.sum ./
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app .
 #second stage
-FROM debian:buster-slim
+FROM debian:bookworm-slim
 WORKDIR /root/
 COPY --from=builder /dir/app .
 CMD ["./app"]