diff --git a/ansible/roles/rust/files/cargo_config.toml b/ansible/roles/rust/files/cargo_config.toml
index 956e94b..aca07b7 100644
--- a/ansible/roles/rust/files/cargo_config.toml
+++ b/ansible/roles/rust/files/cargo_config.toml
@@ -1,2 +1,12 @@
 [target.x86_64-unknown-linux-gnu]
 rustflags = ["-C", "target-cpu=native", "-Zthreads=0"]
+
+[unstable]
+codegen-backend = true
+
+[profile.dev]
+codegen-backend = "cranelift"
+
+[profile.dev.package."*"]
+codegen-backend = "llvm"
+opt-level = 3