diff --git a/.gitmodules b/.gitmodules
index 9f6f29f9..7a73a8fd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -31,3 +31,6 @@
 [submodule "vendor/github.com/purpleidea/go-connections"]
 	path = vendor/github.com/docker/go-connections
 	url = https://github.com/docker/go-connections
+[submodule "vendor/github.com/hashicorp/go-multierror"]
+	path = vendor/github.com/hashicorp/go-multierror
+	url = https://github.com/hashicorp/go-multierror
diff --git a/vendor/github.com/hashicorp/go-multierror b/vendor/github.com/hashicorp/go-multierror
new file mode 160000
index 00000000..886a7fbe
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-multierror
@@ -0,0 +1 @@
+Subproject commit 886a7fbe3eb1c874d46f623bfa70af45f425b3d1