diff --git a/.gitmodules b/.gitmodules
index f7aec3a44..71d6438c1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -130,3 +130,9 @@
 [submodule "vendor/github.com/ncw/swift"]
 	path = vendor/github.com/ncw/swift
 	url = https://github.com/ncw/swift
+[submodule "vendor/gopkg.in/olivere/elastic.v5"]
+	path = vendor/gopkg.in/olivere/elastic.v5
+	url = https://gopkg.in/olivere/elastic.v5
+[submodule "vendor/github.com/pkg/errors"]
+	path = vendor/github.com/pkg/errors
+	url = https://github.com/pkg/errors
diff --git a/vendor/github.com/pkg/errors b/vendor/github.com/pkg/errors
new file mode 160000
index 000000000..f15c970de
--- /dev/null
+++ b/vendor/github.com/pkg/errors
@@ -0,0 +1 @@
+Subproject commit f15c970de5b76fac0b59abb32d62c17cc7bed265
diff --git a/vendor/gopkg.in/olivere/elastic.v5 b/vendor/gopkg.in/olivere/elastic.v5
new file mode 160000
index 000000000..171ce647d
--- /dev/null
+++ b/vendor/gopkg.in/olivere/elastic.v5
@@ -0,0 +1 @@
+Subproject commit 171ce647da4acfb30ffc99981d66d80bdea6bcee