diff --git a/libnetwork/Dockerfile.build b/libnetwork/Dockerfile.build
index f43d4805cc..2b767c2a57 100644
--- a/libnetwork/Dockerfile.build
+++ b/libnetwork/Dockerfile.build
@@ -1,5 +1,10 @@
 FROM golang:1.4-cross
 RUN apt-get update && apt-get -y install iptables
+
+RUN cd /go/src && mkdir -p golang.org/x && \
+    cd golang.org/x && git clone https://github.com/golang/tools && \
+    cd tools && git checkout release-branch.go1.5
+
 RUN go get github.com/tools/godep \
 		github.com/golang/lint/golint \
 		golang.org/x/tools/cmd/vet \