diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 166d0911..bbce55a8 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -118,7 +118,7 @@ tests:
 ## Updating 3rd party packages
 
 0. Update `glide.yaml`.
-0. Run `script/vendor` to update the code in the `vendor` directory.
+0. Run `make vendor` to update the code in the `vendor` directory.
 0. Commit the change.  Git LFS vendors the full source code in the repository.
 0. Submit a pull request.
 
diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000..d593c16c
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,12 @@
+GLIDE ?= glide
+
+RM ?= rm -f
+
+glide.lock : glide.yaml
+	$(GLIDE) update
+
+vendor : glide.lock
+	$(GLIDE) install
+	$(RM) -r vendor/github.com/ThomsonReutersEikon/go-ntlm/utils
+	$(RM) -r vendor/github.com/davecgh/go-spew
+	$(RM) -r vendor/github.com/pmezard/go-difflib
diff --git a/script/vendor b/script/vendor
deleted file mode 100755
index 8e13269d..00000000
--- a/script/vendor
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-glide update -s -u
-glide install -s -u
-
-rm -rf vendor/github.com/ThomsonReutersEikon/go-ntlm/utils
-rm -rf vendor/github.com/davecgh/go-spew
-rm -rf vendor/github.com/pmezard/go-difflib