diff --git a/.gitmodules b/.gitmodules
index e6a4e31..9a4e00b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "external/portaudio"]
 	path = external/portaudio
 	url = https://git.assembla.com/portaudio.git
+[submodule "external/glfw"]
+	path = external/glfw
+	url = https://github.com/glfw/glfw.git
diff --git a/external/glfw b/external/glfw
new file mode 160000
index 0000000..0ef149c
--- /dev/null
+++ b/external/glfw
@@ -0,0 +1 @@
+Subproject commit 0ef149c8f2451fbc8e866834675a075cfc295b6c