diff --git a/Dockerfile b/Dockerfile
index 42d483c..8e90a9a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ############################
 # STEP 1 build executable binary
 ############################
-FROM golang:alpine as builder
+FROM golang:1.13-alpine as builder
 
 # Install git + SSL ca certificates.
 # Git is required for fetching the dependencies.
@@ -15,10 +15,6 @@ RUN adduser -D -g '' appuser
 
 WORKDIR /go/src/github.com/andig/gravo
 
-ENV GO111MODULE on
-COPY go.* .
-RUN go mod download
-
 COPY . .
 RUN make build
 
diff --git a/tmpl.Dockerfile b/tmpl.Dockerfile
index ce2e003..5ff0d94 100644
--- a/tmpl.Dockerfile
+++ b/tmpl.Dockerfile
@@ -1,7 +1,7 @@
 ############################
 # STEP 1 build executable binary
 ############################
-FROM golang:alpine as builder
+FROM golang:1.13-alpine as builder
 
 # Install git + SSL ca certificates.
 # Git is required for fetching the dependencies.
@@ -15,10 +15,6 @@ RUN adduser -D -g '' appuser
 
 WORKDIR /go/src/github.com/andig/gravo
 
-ENV GO111MODULE on
-COPY go.* .
-RUN go mod download
-
 COPY . .
 RUN GOARCH={{ .GoARCH }} GOARM={{ .GoARM }} make build