diff --git a/Makefile b/Makefile
index 74d4b0ac8e..d57844d601 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,13 @@
 ###
 # All-in-one build command.
 ###
-build: build-protocol-definitions
+build: build-yarn-dependencies build-protocol-definitions
+
+###
+# Download dependencies from the Frontend using Yarn.
+###
+build-yarn-dependencies:
+	yarn --cwd ${PWD}/frontend install
 
 ###
 # Protobuf Definitions.