diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..84a08ad
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "dep/streaming-data-types"]
+	path = dep/streaming-data-types
+	url = https://github.com/ess-dmsc/streaming-data-types.git
+[submodule "dep/flatbuffers"]
+	path = dep/flatbuffers
+	url = https://github.com/google/flatbuffers.git
diff --git a/dep/flatbuffers b/dep/flatbuffers
new file mode 160000
index 0000000..1872409
--- /dev/null
+++ b/dep/flatbuffers
@@ -0,0 +1 @@
+Subproject commit 187240970746d00bbd26b0f5873ed54d2477f9f3
diff --git a/dep/streaming-data-types b/dep/streaming-data-types
new file mode 160000
index 0000000..3b1830f
--- /dev/null
+++ b/dep/streaming-data-types
@@ -0,0 +1 @@
+Subproject commit 3b1830faf268bda2175618162cb6a6ce25b0aa23