diff --git a/Makefile b/Makefile
index 1e615127d..806a018eb 100644
--- a/Makefile
+++ b/Makefile
@@ -66,6 +66,8 @@ updatedeps:
 	fi
 	go get -u github.com/mitchellh/gox
 	go get -u golang.org/x/tools/cmd/stringer
+	go get -u golang.org/x/sys/unix
+	go get -u google.golang.org/appengine
 	go list ./... \
 		| xargs go list -f '{{join .Deps "\n"}}' \
 		| grep -v github.com/mitchellh/packer \