diff --git a/.gitmodules b/.gitmodules
index df7c68f..7031c9c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "deps/headjs"]
 	path = deps/headjs
 	url = https://github.com/headjs/headjs.git
+[submodule "deps/socket.io"]
+	path = deps/socket.io
+	url = https://github.com/LearnBoost/socket.io.git
diff --git a/deps/socket.io b/deps/socket.io
new file mode 160000
index 0000000..a4e53a6
--- /dev/null
+++ b/deps/socket.io
@@ -0,0 +1 @@
+Subproject commit a4e53a642bbb539b44e823abb82d4086f05afc2d