diff --git a/.gitmodules b/.gitmodules
index 10f9f7de96..2a028e3c69 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,6 +4,9 @@
 [submodule "cubeb"]
 	path = externals/cubeb
 	url = https://github.com/mozilla/cubeb.git
+[submodule "SDL"]
+  path = externals/SDL
+  url = https://github.com/libsdl-org/SDL.git
 [submodule "libusb"]
 	path = externals/libusb/libusb
 	url = https://github.com/libusb/libusb.git