diff --git a/.gitmodules b/.gitmodules
index afce496..8117d50 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,12 @@
 [submodule "buildroot"]
 	path = buildroot
 	url = https://github.com/buildroot/buildroot
+	shallow = true
 [submodule "qemu"]
 	path = qemu
 	url = https://github.com/cirosantilli/qemu
+	shallow = true
 [submodule "linux"]
 	path = linux
 	url = https://github.com/cirosantilli/linux
+	shallow = true