diff --git a/.gitmodules b/.gitmodules
index c884b29d..462d6726 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -37,3 +37,6 @@
 [submodule "third_party/LuaJIT"]
 	path = third_party/LuaJIT
 	url = https://github.com/Panda3DS-emu/LuaJIT
+[submodule "third_party/mio"]
+	path = third_party/mio
+	url = https://github.com/vimpunk/mio
diff --git a/third_party/mio b/third_party/mio
new file mode 160000
index 00000000..8b6b7d87
--- /dev/null
+++ b/third_party/mio
@@ -0,0 +1 @@
+Subproject commit 8b6b7d878c89e81614d05edca7936de41ccdd2da