diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..22fa094
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "spdlog"]
+	path = spdlog
+	url = https://github.com/gabime/spdlog
\ No newline at end of file