diff --git a/.gitmodules b/.gitmodules
index 81d65ae0..6315c8bb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -79,3 +79,6 @@
 [submodule "vendor/golang.org/x/sys"]
 	path = vendor/golang.org/x/sys
 	url = https://go.googlesource.com/sys
+[submodule "vendor/github.com/weaveworks/docker"]
+	path = vendor/github.com/weaveworks/docker
+	url = https://github.com/weaveworks/docker
diff --git a/vendor/github.com/weaveworks/docker b/vendor/github.com/weaveworks/docker
new file mode 160000
index 00000000..4dc5990d
--- /dev/null
+++ b/vendor/github.com/weaveworks/docker
@@ -0,0 +1 @@
+Subproject commit 4dc5990d7565a4a15d641bc6a0bc50a02cfcf302