diff --git a/.gitmodules b/.gitmodules
index b47b0e9e621..2082ec9ef45 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -54,3 +54,4 @@
 [submodule "src/gcc"]
 	path = src/gcc
 	url = https://github.com/rust-lang/gcc.git
+	shallow = true