diff --git a/.gitmodules b/.gitmodules
index b399bf7b94d..b115df22b99 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -128,3 +128,6 @@
 [submodule "contrib/icu"]
 	path = contrib/icu
 	url = https://github.com/unicode-org/icu.git
+[submodule "contrib/flatbuffers"]
+	path = contrib/flatbuffers
+	url = git@github.com:google/flatbuffers.git
diff --git a/contrib/flatbuffers b/contrib/flatbuffers
new file mode 160000
index 00000000000..bf9eb67ab93
--- /dev/null
+++ b/contrib/flatbuffers
@@ -0,0 +1 @@
+Subproject commit bf9eb67ab9371755c6bcece13cadc7693bcbf264