diff --git a/Dockerfile b/Dockerfile
index 7c0cf870..024f6be1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,13 @@
 FROM golang:alpine
 
-RUN apk add --no-cache git curl && \
+COPY . /go/src/github.com/filebrowser/filebrowser
+
+WORKDIR /go/src/github.com/filebrowser/filebrowser
+RUN apk --no-cache --update upgrade && apk --no-cache add ca-certificates git curl && \
   curl -fsSL -o /usr/local/bin/dep https://github.com/golang/dep/releases/download/v0.4.1/dep-linux-amd64 && \
   chmod +x /usr/local/bin/dep
-
-COPY . /go/src/github.com/filebrowser/filebrowser
-WORKDIR /go/src/github.com/filebrowser/filebrowser 
 RUN dep ensure -vendor-only
+
 WORKDIR /go/src/github.com/filebrowser/filebrowser/cmd/filebrowser
 RUN CGO_ENABLED=0 go build -a
 RUN mv filebrowser /go/bin/filebrowser
@@ -14,6 +15,7 @@ RUN mv filebrowser /go/bin/filebrowser
 FROM scratch
 COPY --from=0 /go/bin/filebrowser /filebrowser
 COPY --from=0 /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+
 VOLUME /tmp
 VOLUME /srv
 EXPOSE 80