diff --git a/tools/osbuilder/rootfs-builder/alpine/Dockerfile.in b/tools/osbuilder/rootfs-builder/alpine/Dockerfile.in
index a7b8737a1..70c339b54 100644
--- a/tools/osbuilder/rootfs-builder/alpine/Dockerfile.in
+++ b/tools/osbuilder/rootfs-builder/alpine/Dockerfile.in
@@ -26,4 +26,5 @@ RUN apk update && apk add \
     make \
     musl \
     musl-dev \
+    protoc \
     tar