diff --git a/.gitmodules b/.gitmodules
index b44e4738..f965af73 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "lib/glfw"]
 	path = lib/glfw
 	url = https://github.com/glfw/glfw.git
+[submodule "lib/glm"]
+	path = lib/glm
+	url = https://github.com/g-truc/glm.git
diff --git a/lib/glm b/lib/glm
new file mode 160000
index 00000000..cc98465e
--- /dev/null
+++ b/lib/glm
@@ -0,0 +1 @@
+Subproject commit cc98465e3508535ba8c7f6208df934c156a018dc