diff --git a/.gitmodules b/.gitmodules
index face37ff58c7..bc6df4f746ac 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "src/llvm"]
 	path = src/llvm
 	url = git://github.com/brson/llvm.git
+[submodule "src/rt/libuv"]
+	path = src/rt/libuv
+	url = git://github.com/joyent/libuv
diff --git a/src/rt/libuv b/src/rt/libuv
new file mode 160000
index 000000000000..f1859eb841be
--- /dev/null
+++ b/src/rt/libuv
@@ -0,0 +1 @@
+Subproject commit f1859eb841be2fe48512bc10e64556383f408b01