diff --git a/backend/Dockerfile b/backend/Dockerfile
index eb8aa20fd..2764d9a0b 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -3,16 +3,18 @@ ENV GOPATH /go
 ENV GOVERSION 1.7
 ENV PATH /go/bin:/usr/lib/go-${GOVERSION}/bin:/usr/bin:/bin:/usr/sbin:/sbin
 RUN apt-get update && \
-	apt-get install -y libpcap-dev python-requests time file shellcheck golang-${GOVERSION} git gcc-arm-linux-gnueabihf && \
+	apt-get install -y libpcap-dev python-requests time file shellcheck golang-${GOVERSION} git gcc-arm-linux-gnueabihf curl && \
 	rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 RUN go clean -i net && \
 	go install -tags netgo std && \
 	go install -race -tags netgo std
+RUN curl -fsSL -o shfmt https://github.com/mvdan/sh/releases/download/v1.3.0/shfmt_v1.3.0_linux_amd64 && \
+    chmod +x shfmt && \
+    mv shfmt /usr/bin
 RUN go get -tags netgo \
 		github.com/fzipp/gocyclo \
 		github.com/golang/lint/golint \
 		github.com/kisielk/errcheck \
-		gopkg.in/mvdan/sh.v1/cmd/shfmt \
 		github.com/fatih/hclfmt \
 		github.com/mjibson/esc \
 		github.com/client9/misspell/cmd/misspell && \