diff --git a/Makefile b/Makefile
index 8d983c0ac..e27e1506e 100644
--- a/Makefile
+++ b/Makefile
@@ -90,11 +90,12 @@ lint:
 test:
 	go test -race ./...
 
+## this uses https://github.com/Masterminds/glide and https://github.com/sgotti/glide-vc
 update-deps:
 	glide update --strip-vcs --strip-vendor --update-vendored --delete
 	glide-vc --only-code --no-tests
 	# see http://sed.sourceforge.net/sed1line.txt
-	for f in $$(find vendor -type f); do sed -i -e :a -e '/^\n*$$/{$$d;N;ba' -e '}' $$f; done
+	find vendor -type f -exec sed -i -e :a -e '/^\n*$$/{$$d;N;ba' -e '}' "{}" \;
 
 img/%.png: img/%.dot
 	dot -Tpng $^ > $@
diff --git a/glide.lock b/glide.lock
index 3329039e5..2bc0aed63 100644
--- a/glide.lock
+++ b/glide.lock
@@ -1,8 +1,13 @@
 hash: 9eee25c418553e1d79fe7fb956eae4b056402d2c1fe7c8c79f5849da571dd99b
-updated: 2016-06-23T09:00:42.232695928+02:00
+updated: 2016-06-27T09:17:53.888847568-04:00
 imports:
 - name: github.com/inconshreveable/mousetrap
   version: 76626ae9c91c4f2a10f34cad8ce83ea42c93bb75
+- name: github.com/opencontainers/image-spec
+  version: ca58cdfc7c8200c6c62287e677fadb0074cc29cc
+  subpackages:
+  - image
+  - schema
 - name: github.com/opencontainers/runtime-spec
   version: 06479209bdc0d4135911688c18157bd39bd99c22
   subpackages:
@@ -23,4 +28,4 @@ imports:
   version: 15c19124e43b90eba9aa27b4341e38365254a84a
   subpackages:
   - errorutil
-devImports: []
+testImports: []