diff --git a/.bazelrc.sandboxroot b/.bazelrc.sandboxroot
index 5fce09a..db12cfd 100644
--- a/.bazelrc.sandboxroot
+++ b/.bazelrc.sandboxroot
@@ -7,6 +7,8 @@
 # No host CC platform - we only want pure Go for the sandboxroot
 build --host_platform=@io_bazel_rules_go//go/toolchain:linux_amd64
 
+common --experimental_downloader_config=build/bazel/bazel_downloader.cfg
+
 # Shared with main .bazelrc
 try-import %workspace%/.bazelrc.user
 try-import %workspace%/ci.bazelrc