diff --git a/go/Dockerfile b/go/Dockerfile
index 612122a..560419c 100755
--- a/go/Dockerfile
+++ b/go/Dockerfile
@@ -5,7 +5,7 @@ FROM golang:1.21.4 AS build-stage
                                                                                            
 WORKDIR /app                                                                               
                                                                                            
-COPY go.mod ./                                                                      
+COPY go.mod go.sum ./                                                                      
 RUN go mod download                                                                        
                                                                                            
 COPY *.go ./