diff --git a/docker/setup/rustup.sh b/docker/setup/rustup.sh
index 84df40b9..43bb3589 100755
--- a/docker/setup/rustup.sh
+++ b/docker/setup/rustup.sh
@@ -22,6 +22,9 @@ main() {
   rustup target add "$RUST_TARGET"
   chmod -R a+w "$RUSTUP_HOME" "$CARGO_HOME"
 
+  # Use git CLI to fetch crates (avoid memory issues in QEMU environments)
+  printf "[net]\ngit-fetch-with-cli = true" >> "$CARGO_HOME/config.toml"
+
   # Pre-fetch the registry index
   cargo init --name tmp .
   cargo fetch