diff --git a/Makefile b/Makefile
index 128031d..2ba7801 100644
--- a/Makefile
+++ b/Makefile
@@ -6,27 +6,30 @@ V_DIRTY := $(shell git describe --exact-match HEAD 2> /dev/null > /dev/null || e
 GIT     := $(shell git rev-parse --short HEAD)
 DIRTY   := $(shell git diff-index --quiet HEAD 2> /dev/null > /dev/null || echo "-dirty")
 
-bin/hw: $(shell ls *.go) cmd/hw/main.go bin
+bin/hw: vendor $(shell ls *.go) cmd/hw/main.go bin
 	@echo hw
 	@GOOS=linux go build -ldflags \
 		"-X mcquay.me/hw.Version=$(VERSION)$(V_DIRTY) \
 		 -X mcquay.me/hw.Git=$(GIT)$(DIRTY)" \
 		 -v -o bin/hw ./cmd/hw
 
-bin/hwc: $(shell ls *.go ) cmd/hwc/main.go bin
+bin/hwc: vendor $(shell ls *.go ) cmd/hwc/main.go bin
 	@echo hwc
 	@GOOS=linux go build -ldflags \
 		"-X mcquay.me/hw.Version=$(VERSION)$(V_DIRTY) \
 		 -X mcquay.me/hw.Git=$(GIT)$(DIRTY)" \
 		 -v -o bin/hwc ./cmd/hwc
 
-bin/hwl: $(shell ls *.go) cmd/hwl/main.go bin
+bin/hwl: vendor $(shell ls *.go) cmd/hwl/main.go bin
 	@echo hwl
 	@GOOS=linux go build -ldflags \
 		"-X mcquay.me/hw.Version=$(VERSION)$(V_DIRTY) \
 		 -X mcquay.me/hw.Git=$(GIT)$(DIRTY)" \
 		 -v -o bin/hwl ./cmd/hwl
 
+vendor: $(shell find vendor -type f | grep go$$ ) Gopkg.toml Gopkg.lock
+	dep ensure
+
 bin:
 	mkdir bin