diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..3ca73f836
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,7 @@
+
+[submodule "external/rapidjson/thirdparty/gtest"]
+        path = external/rapidjson/thirdparty/gtest
+        url = https://github.com/google/googletest.git
+[submodule "external/utfcpp/extern/ftest"]
+        path = external/utfcpp/extern/ftest
+        url = https://github.com/nemtrif/ftest
\ No newline at end of file