diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..31c5df6
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "hello_foundry/lib/forge-std"]
+	path = hello_foundry/lib/forge-std
+	url = https://github.com/foundry-rs/forge-std
diff --git a/hello_foundry/lib/forge-std b/hello_foundry/lib/forge-std
new file mode 160000
index 0000000..1eea5ba
--- /dev/null
+++ b/hello_foundry/lib/forge-std
@@ -0,0 +1 @@
+Subproject commit 1eea5bae12ae557d589f9f0f0edae2faa47cb262