diff --git a/install.conf.json b/install.conf.json
index 7410f20..f2b40d4 100644
--- a/install.conf.json
+++ b/install.conf.json
@@ -65,7 +65,7 @@
 	},
 	{
 		"shell": [
-			["git submodule update --init --recursive", "Installing submodules"]
+			["git submodule update --init --jobs $(nproc) --recursive", "Installing submodules"]
 		]
 	}
 ]