diff --git a/.gitmodules b/.gitmodules
index 74e07cd..35ec1c6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "extern/dawn"]
 	path = extern/dawn
 	url = https://github.com/google/dawn.git
+	shallow = true