diff --git a/.gitignore b/.gitignore
index 6936990..7a4bf0e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /target
 **/*.rs.bk
 Cargo.lock
+third-party
diff --git a/Cargo.toml b/Cargo.toml
index b47da53..a0f3a6d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,10 +2,15 @@
 name = "rusty"
 version = "0.1.0"
 authors = ["Thomas Forgione <thomas@forgione.fr>"]
+build = "prepare/build.rs"
 
 [dependencies]
 sfml = "0.14.0"
 
+[build-dependencies]
+git2 = "0.7.5"
+cmake = "0.1"
+
 [[bin]]
 name = "rusty-maker"
 path = "src/app/game.rs"
diff --git a/prepare/build.rs b/prepare/build.rs
new file mode 100644
index 0000000..c07cd58
--- /dev/null
+++ b/prepare/build.rs
@@ -0,0 +1,22 @@
+extern crate git2;
+
+use git2::Repository;
+
+fn main() {
+    let sfml = match Repository::open("third-party/sfml") {
+        Ok(repo) => repo,
+        Err(_) => {
+            Repository::clone("https://github.com/sfml/sfml", "third-party/sfml")
+                .expect("Couldn't clone SFML")
+        }
+    };
+
+    let csfml = match Repository::open("third-party/csfml") {
+        Ok(repo) => repo,
+        Err(_) => {
+            Repository::clone("https://github.com/sfml/csfml", "third-party/csfml")
+                .expect("Couldn't clone CSFML")
+        }
+    };
+
+}