diff --git a/Dockerfile b/Dockerfile
index 49bebb5f6..3cff8c215 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,13 +32,15 @@ ARG RELEASE=0
 
 WORKDIR /build
 
-# install go tools and cache modules
-COPY Makefile .
+# download modules
 COPY go.mod .
 COPY go.sum .
+RUN go mod download
+
+# install tools
+COPY Makefile .
 COPY tools.go .
 RUN make install
-RUN go mod download
 
 # prepare
 COPY . .