diff --git a/.gitmodules b/.gitmodules
index 91bc461..5e48e76 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "3rd/libvmx"]
 	path = 3rd/libvmx
 	url = https://github.com/openmediatransport/libvmx.git
+[submodule "3rd/glfw"]
+	path = 3rd/glfw
+	url = https://github.com/glfw/glfw.git
diff --git a/3rd/glfw b/3rd/glfw
new file mode 160000
index 0000000..8e15281
--- /dev/null
+++ b/3rd/glfw
@@ -0,0 +1 @@
+Subproject commit 8e15281d34a8b9ee9271ccce38177a3d812456f8