diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..690924b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "lib/forge-std"]
+	path = lib/forge-std
+	url = https://github.com/foundry-rs/forge-std
+[submodule "lib/openzeppelin-contracts"]
+	path = lib/openzeppelin-contracts
+	url = https://github.com/OpenZeppelin/openzeppelin-contracts