diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..380a945
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "countries"]
+	path = countries
+	url = https://github.com/mledoze/countries.git
diff --git a/countries b/countries
new file mode 160000
index 0000000..218e5a2
--- /dev/null
+++ b/countries
@@ -0,0 +1 @@
+Subproject commit 218e5a214b1afaaec558efb0ab99e86322064c86