diff --git a/README.md b/README.md
index 62e22309e..6bf8da112 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,12 @@ eg. to build the `nodejs18.x` image, start by checking out the `nodejs18.x` bran
 ```
 git checkout nodejs18.x
 ```
+fetch the large files
+```
+git lfs fetch
+git lfs install
+git lfs checkout .
+```
 
 Finally you can build your image as such:
 ```