diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..7021152
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "src/submodules/OPMLCore.NET"]
+	path = src/submodules/OPMLCore.NET
+	url = https://github.com/fnya/OPMLCore.NET.git
+	branch = master
diff --git a/src/submodules/OPMLCore.NET b/src/submodules/OPMLCore.NET
new file mode 160000
index 0000000..8d37cd0
--- /dev/null
+++ b/src/submodules/OPMLCore.NET
@@ -0,0 +1 @@
+Subproject commit 8d37cd062b3180fdcc3c92155f516335c5e68740