diff --git a/linux-tools/README.md b/linux-tools/README.md
index 6a2eb92..7ce94d4 100644
--- a/linux-tools/README.md
+++ b/linux-tools/README.md
@@ -7,7 +7,7 @@ Hopefully Microsoft will publish this and we don't have to do this ourselves.
 Success will look like deleting this repo.  Versions might need to change.
 
   1. apt install libbabeltrace-ctf-dev systemtap-sdt-dev libslang2-dev libelf-dev libunwind-dev libdw-dev libiberty-dev
-  1. git clone https://github.com/microsoft/WSL2-Linux-Kernel
+  1. git clone --depth=1 https://github.com/microsoft/WSL2-Linux-Kernel
   1. cd WSL2-Linux-Kernel/tools/perf
   1. make
   1. make install DESTDIR=/tmp/linux-tools-4.19.104-microsoft-standard prefix=/usr