diff --git a/playbooks/roles/rust/files/config b/playbooks/roles/rust/files/config
index aeedffd..1f4b158 100644
--- a/playbooks/roles/rust/files/config
+++ b/playbooks/roles/rust/files/config
@@ -8,3 +8,6 @@ opt-level = 3
 [target.x86_64-unknown-linux-gnu]
 linker = "clang"
 rustflags = ["-C", "link-arg=-fuse-ld=/usr/bin/mold"]
+
+[registries.crates-io]
+protocol = "sparse"