diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6ca08dc
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "extern/yaml-cpp"]
+	path = extern/yaml-cpp
+	url = https://github.com/jbeder/yaml-cpp.git
+[submodule "extern/fri-client-sdk"]
+	path = extern/fri-client-sdk
+	url = https://github.com/kirillin/fri-client-sdk.git
diff --git a/extern/fri-client-sdk b/extern/fri-client-sdk
new file mode 160000
index 0000000..cd3d6d4
--- /dev/null
+++ b/extern/fri-client-sdk
@@ -0,0 +1 @@
+Subproject commit cd3d6d4fb9f83b95617650707354f232fa239cf2
diff --git a/extern/yaml-cpp b/extern/yaml-cpp
new file mode 160000
index 0000000..d9c35b6
--- /dev/null
+++ b/extern/yaml-cpp
@@ -0,0 +1 @@
+Subproject commit d9c35b6079ceff35f395f7017775cd6c5d380112