diff --git a/Dockerfile.build b/Dockerfile.build
index 7c89a84c..6ba20df8 100644
--- a/Dockerfile.build
+++ b/Dockerfile.build
@@ -1,5 +1,12 @@
 FROM ubuntu:16.04
-RUN apt-get update
-RUN apt-get install -y golang btrfs-tools git-core libdevmapper-dev libgpgme11-dev go-md2man
+
+RUN apt-get update && apt-get install -y \
+    golang \
+    btrfs-tools \
+    git-core \
+    libdevmapper-dev \
+    libgpgme11-dev \
+    go-md2man
+
 ENV GOPATH=/
 WORKDIR /src/github.com/projectatomic/skopeo