diff --git a/.gitmodules b/.gitmodules
index 4160413..1a190d6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,15 @@
 [submodule "vendor/github.com/nightlyone/lockfile"]
 	path = vendor/github.com/nightlyone/lockfile
 	url = https://github.com/nightlyone/lockfile.git
+[submodule "vendor/github.com/aws/aws-sdk-go"]
+	path = vendor/github.com/aws/aws-sdk-go
+	url = https://github.com/aws/aws-sdk-go
+[submodule "vendor/github.com/bmizerany/pat"]
+	path = vendor/github.com/bmizerany/pat
+	url = https://github.com/bmizerany/pat
+[submodule "vendor/github.com/golang/mock"]
+	path = vendor/github.com/golang/mock
+	url = https://github.com/golang/mock
+[submodule "vendor/github.com/stretchr/testify"]
+	path = vendor/github.com/stretchr/testify
+	url = https://github.com/stretchr/testify
diff --git a/vendor/github.com/aws/aws-sdk-go b/vendor/github.com/aws/aws-sdk-go
new file mode 160000
index 0000000..c676927
--- /dev/null
+++ b/vendor/github.com/aws/aws-sdk-go
@@ -0,0 +1 @@
+Subproject commit c676927b4f3771ff71c0c0b0cb8cf4575d8d0a65
diff --git a/vendor/github.com/bmizerany/pat b/vendor/github.com/bmizerany/pat
new file mode 160000
index 0000000..b8a3500
--- /dev/null
+++ b/vendor/github.com/bmizerany/pat
@@ -0,0 +1 @@
+Subproject commit b8a35001b773c267eb260a691f4e5499a3531600
diff --git a/vendor/github.com/golang/mock b/vendor/github.com/golang/mock
new file mode 160000
index 0000000..58a501f
--- /dev/null
+++ b/vendor/github.com/golang/mock
@@ -0,0 +1 @@
+Subproject commit 58a501f87109a45c68afc54e6b1368398678d386
diff --git a/vendor/github.com/stretchr/testify b/vendor/github.com/stretchr/testify
new file mode 160000
index 0000000..67106a5
--- /dev/null
+++ b/vendor/github.com/stretchr/testify
@@ -0,0 +1 @@
+Subproject commit 67106a5111a06241c8d84952c33214675f51a34a